How Long Does American Cheese Last in Fridge? Tips to Prolong its Shelf Life

Have you ever found yourself wondering how long does American cheese last in the fridge? If you’re like most people, you’ve probably purchased a pack of sliced American cheese only to find it still sitting in your fridge weeks later. While it’s true that American cheese can last for a considerable amount of time in the fridge, there are a few important things you should know about its longevity. In this article, we’ll take a closer look at how long American cheese can last in the fridge, how to spot signs of spoilage, and some tips for extending its shelf life.

When it comes to storing American cheese, the first thing to consider is the type of cheese you have. Sliced American cheese, for example, is often packaged in a plastic wrapper with individual slices separated by wax paper. This type of American cheese can last for up to two months in the fridge as long as the wrapper remains sealed and the cheese is kept at a consistent temperature. On the other hand, shredded or grated American cheese has a shorter shelf life of around one month. Overall, the key to extending the shelf life of your American cheese is to keep it stored properly and pay attention to any signs of spoilage.

Now that we know how long American cheese can last in the fridge, let’s talk about how to tell when it’s starting to go bad. Signs of spoilage include a sour or funky smell, mold growth, or slimy texture. If you notice any of these signs, it’s best to throw out the cheese immediately as consuming spoiled cheese can lead to foodborne illness. However, with proper storage and care, American cheese can make a delicious addition to sandwiches, burgers, and more for weeks on end.

What is American cheese?

American cheese is a type of processed cheese that originated in the United States in the late 19th century. It was first made by Swiss immigrant Walter Gerber, who produced a cheese that resembled Emmental but was easier to cut and melt. The cheese became popular among Americans, and in the early 20th century, other cheese producers began making their own versions of processed cheese.

Today, American cheese is a staple in many American households and is commonly used in sandwiches, burgers, and grilled cheese. However, there is some controversy over whether or not American cheese can be called a “real” cheese, as it is heavily processed and can contain a combination of natural cheese, milk, whey, and other ingredients.

The Process of Making American Cheese

American cheese is one of the most popular cheese varieties in the United States. It is used in a variety of dishes, from macaroni and cheese to hamburgers and grilled cheese sandwiches. But have you ever wondered how American cheese is made? Below is an in-depth explanation of the process of making American cheese.

  • The first step in making American cheese is pasteurization. Milk is heated to a specific temperature to kill any harmful bacteria that may be present.
  • Next, cultures and rennet are added to the milk. The cultures help to acidify the milk and create the desired flavor, while the rennet helps to coagulate the milk and form curds.
  • The curds are then cut and cooked at a specific temperature to improve the texture and remove excess whey.

Once the curds are cooked, the whey is drained and the curds are salted. The salt helps to preserve the cheese and enhances the flavor.

After salting, the curds are melted and emulsified. Emulsifying is the process of mixing two or more ingredients that do not normally mix together. In the case of American cheese, the ingredients are cheese and water. Emulsifying improves the texture and melting properties of the cheese.

The melted cheese is then poured into molds and chilled. Once chilled, the cheese is removed from the molds and packaged for shipment.

Step in Making American Cheese Description
Pasteurization Heating milk to kill harmful bacteria
Culturing and Rennet Addition Adding cultures to create desired flavor and rennet to coagulate the milk and form curds
Curd Cutting and Cooking Coagulated milk is cut and cooked to enhance texture and remove excess whey
Salting Curds are salted for preservation and flavor
Melting and Emulsifying Cheese is melted and mixed with water through the process of emulsification to improve texture and melting properties
Molding and Chilling Melted cheese is poured into molds and chilled

Knowing the process of making American cheese can not only satisfy your curiosity, but also provide insight into why it has become such a popular cheese in the United States.

How American cheese differs from other cheeses

American cheese is a popular cheese variety, but it is distinct from the traditional cheeses found in the market. Here are some of the key features that differentiate American cheese from other cheeses.

  • American cheese is a processed cheese, while traditional cheeses like cheddar, Swiss, and brie are natural cheeses.
  • American cheese has a higher moisture content, making it more creamy and smooth compared to other cheeses.
  • American cheese is often artificially colored to give it a bright orange hue, while other cheeses naturally have varying colors ranging from white to yellow.

The production process of American cheese is also different, and it involves melting natural cheese, blending it with other ingredients, and then cooling it to create a smooth and spreadable cheese. This cheese is commonly used in dishes like hamburgers, grilled cheese sandwiches, and macaroni and cheese.

Additionally, American cheese has a longer shelf life than natural cheeses because of its higher moisture content and processing. While natural cheeses can last for a few weeks to a few months in the fridge, American cheese can last for months without spoiling.

Cheese Type Natural or Processed? Color Texture Shelf Life
American Cheese Processed Artificially colored (orange) Creamy and smooth Months
Cheddar Cheese Natural Naturally varying colors (white to yellow) Firm and crumbly Weeks to months
Brie Cheese Natural White with a soft rind Creamy and soft Weeks to months

Overall, American cheese offers a distinct taste and texture compared to natural cheeses, though it is not a suitable replacement for traditional cheeses in all dishes.

Nutrition value of American cheese

When it comes to nutrition, American cheese is often criticized for being a processed food with little nutritional value. However, there are some aspects of American cheese that make it a decent source of certain nutrients.

Here are some of the main nutrition values of American cheese:


  • American cheese is a good source of protein, with one slice providing about 5 grams of protein.
  • Protein is essential for building and repairing tissues in the body, making American cheese a good addition to a post-workout snack or meal.


  • American cheese is also a good source of calcium, with one slice providing about 20% of the daily value.
  • Calcium is important for building strong bones and teeth, and also for muscle function and nerve transmission.


While American cheese is high in fat, not all fat is bad for you. Some types of fat, such as monounsaturated and polyunsaturated fats, are actually beneficial for heart health.

  • American cheese contains both saturated and unsaturated fats, with about 4 grams of total fat per slice.
  • It’s important to consume fats in moderation and choose healthier sources, such as nuts, seeds, avocados, and fatty fish.


American cheese is notoriously high in sodium, with one slice containing around 20% of the daily recommended intake.

Nutrient Amount per slice (21g) % Daily Value
Calories 60 3%
Protein 5g 10%
Fat 4g 6%
Saturated Fat 2.5g 12%
Trans Fat 0g
Cholesterol 15mg 5%
Sodium 480mg 20%
Carbohydrates 2g <1%
Fiber 0g
Sugars 2g
Calcium 200mg 20%
Potassium 10mg <1%

Consuming too much sodium can lead to high blood pressure, which increases the risk for heart disease and stroke. It’s important to be mindful of sodium intake and choose lower-sodium options whenever possible.

Importance of refrigeration for American cheese

When it comes to American cheese, it is essential to store it properly to ensure its freshness and safety. One of the most critical factors in storing American cheese is refrigeration.

  • American cheese should be refrigerated as soon as possible after purchasing or opening.
  • Keeping it at a temperature between 33-40°F is recommended to prevent the growth of any bacteria and prolong the shelf life of the cheese.
  • Any cheese left out at room temperature for more than two hours is at risk of harmful bacterial growth. Therefore, it should be discarded immediately.

Putting American cheese in a tightly sealed container or wrapping it in plastic wrap can also help to keep it fresh. When stored properly, American cheese can last for several weeks in the fridge without spoiling.

Below is a table showing the approximate shelf life of different types of American cheese when refrigerated:

Type of American cheese Shelf life when refrigerated
Unopened processed American cheese slices 2-3 months
Opened processed American cheese slices 1-2 weeks
Unopened block of American cheese 3-4 weeks
Opened block of American cheese 2-3 weeks

Proper refrigeration of American cheese is essential for preserving its quality, safety, and taste. By following these guidelines, you can keep your cheese fresh for longer and avoid any health risks associated with spoiled food.

Signs of Spoiled American Cheese

Knowing the signs of spoiled American cheese is essential to avoid consuming bad cheese which may lead to food poisoning. Here are the telltale signs of spoiled American cheese:

  • Mold growth: American cheese should not have any mold growth on it. If you see any green, black, or white spots on the cheese, it is a sign that it is spoiled, and you should not consume it.
  • Discoloration: If American cheese turns yellow or brown, it is a sign that it is no longer good and should be thrown away.
  • Bad smell: American cheese should smell like cheese, and if it has a pungent or sour smell, it is a good indication that it has gone bad.

If you notice any of these signs, it is best to discard the cheese. Consuming spoiled cheese may cause food poisoning symptoms like nausea, diarrhea, and vomiting.

It is also important to note that certain types of American cheese, such as processed cheese slices, may have preservatives that extend their shelf life and make it difficult to tell if they are spoiled. However, it is always better to err on the side of caution and not consume them if you notice any of the above signs.

Here is a table summarizing the signs of spoiled American cheese:

Signs of Spoiled American Cheese
Mold growth
Bad smell

By knowing the signs of spoiled American cheese and following proper storage and handling techniques, you can safely enjoy this delicious cheese for its maximum shelf life.

Safe storage practices for American cheese

American cheese is a staple in many households, whether it’s for a quick sandwich or melted on top of a burger. However, like all perishable food items, it’s important to practice safe storage practices to ensure your American cheese stays fresh and safe to eat for as long as possible. Here are some tips to keep in mind:

  • Store American cheese in the fridge as soon as possible after purchasing or opening. This will help slow down the growth of any bacteria present and keep the cheese fresher for longer.
  • Keep American cheese in its original packaging if possible. If the package has been opened, reseal it with plastic wrap or airtight containers to prevent air from circulating and drying out the cheese.
  • Make sure your fridge is set to the correct temperature, which is typically around 40°F. This will help maintain the freshness of your American cheese and other perishable foods.

It’s also important to remember that American cheese has a limited shelf life, so it’s crucial to keep track of how long it’s been in the fridge. Here are some general guidelines:

  • Unopened American cheese can last up to 6 months in the fridge.
  • Once opened, American cheese typically lasts 2-3 weeks.
  • If you notice any signs of spoilage, such as mold or an off smell, throw the cheese away immediately.

If you have a large amount of American cheese or want to extend its shelf life even further, consider freezing it. Here’s a handy table to help you determine how long American cheese can last in the freezer:

Type of American Cheese Freezer Shelf Life
Individually sliced 2 months
Block or shredded 6 months
Cheese spread or dip 6 months

By following these safe storage practices and keeping track of the shelf life of your American cheese, you can enjoy it for longer while still keeping yourself and your family safe from foodborne illnesses.

Can you freeze American cheese?

If you have a lot of American cheese and there’s no way you can consume them before the expiration date, you might be wondering if freezing them is an option. The answer is yes, you can freeze American cheese, but you need to be mindful of a few things to make sure they remain in good quality after they thaw out.

  • The texture and flavor of American cheese may change after being frozen and thawed out, so you need to be prepared for that.
  • Freezing and thawing American cheese may cause the fat to separate, giving the cheese a grainy or crumbly texture.
  • It is best to freeze American cheese in smaller portions vacuum-sealed bags or airtight containers, so they are easier to thaw out and consume as needed.

If you plan to freeze American cheese, it is essential to use them within three months while they are still in good quality. Otherwise, they might develop freezer burn, which can damage the texture and taste of the cheese.

How to freeze American cheese?

The best way to freeze American cheese is by shredding or slicing them into small portions before packaging them. Here are the steps to freeze American cheese:

  • Cut or shred the American cheese into small, manageable portions.
  • Use a vacuum-sealed bag or an airtight container to prevent excess air from entering and damaging the cheese.
  • Label the container with the date of freezing to keep track of how long the cheese has been in the freezer.
  • Place the packaged cheese into the freezer and make sure they lay flat to prevent the cheese from being crushed.

Thawing frozen American cheese

When you’re ready to consume frozen American cheese, it is best to thaw them out gradually in the fridge to avoid shocking the cheese and affecting its texture and flavor.

  • Remove the packaged cheese from the freezer and put them into the fridge.
  • It may take several hours or even overnight for the cheese to thaw out thoroughly, depending on the thickness of the slices.
  • Once the cheese is defrosted, don’t refreeze them or store them in the fridge for an extended period. It’s best to consume them as soon as possible.

American cheese shelf life

American cheese can last up to four weeks in the fridge, depending on how it is packaged and the temperature of your fridge. If you have opened the packaging, it would be best to consume it within a week or two.

Condition Duration
Unopened American cheese Four weeks
Opened American cheese One to two weeks
Frozen American cheese Up to three months

When storing American cheese in the fridge, make sure to keep them away from other pungent food, like onions or garlic, to avoid the cheese absorbing unwanted flavors.

In conclusion, American cheese can be frozen, but it’s essential to be mindful of its quality change when freezing and thawing. The best way to keep American cheese fresh is to consume them within their shelf life, and if you are uncertain about the quality, it’s better to discard them than to risk your health.

How Long Does Processed Cheese Last?

Processed cheese, also known as American cheese, is one of the most commonly consumed cheeses in America due to its widespread use in sandwiches, burgers, and various other dishes. While it is convenient and tasty, many people are unsure about how long it lasts in the fridge. The shelf life of processed cheese depends on a range of factors, including the packaging, storage conditions, and the brand or manufacturer.

  • Unopened processed cheese: if the cheese is unopened, it can last up to 6 months in the fridge. It is essential to ensure that it is stored in a cool, dry place, away from direct sunlight and any sources of heat.
  • Opened processed cheese: once opened, the shelf life of processed cheese can vary depending on the storage conditions. Generally, it can last up to 3-4 weeks in the fridge, provided it is stored well in an airtight container.
  • Freezing processed cheese: processed cheese can be frozen for prolonged storage. It is recommended that you slice the cheese and wrap it well in aluminum foil or plastic wrap before freezing. When stored in a freezer, it can last for up to 6 months.

It is important to note that processed cheese can spoil and go bad over time. Signs of spoilage include mold growth or an off smell. If you notice any of these signs, it is best to discard the cheese.

Here is a table summarizing the shelf life of processed cheese:

Storage Condition Shelf Life
Unopened Up to 6 months
Opened 3-4 weeks, if stored well in an airtight container
Frozen Up to 6 months, if wrapped well in aluminum foil or plastic wrap

In summary, the shelf life of processed cheese can last up to six months if unopened and stored correctly, up to four weeks if opened and stored well, and up to six months if frozen properly. Always check for signs of spoilage before consuming processed cheese, and remember to follow safe food handling practices to prevent foodborne illnesses.

Creative usage of American cheese in recipes

American cheese is a versatile ingredient in the kitchen that can be used in various recipes, adding a rich, tangy flavor to any dish. Here are ten creative ways to use American cheese:

  • Grilled Cheese: A classic American dish, grilled cheese sandwich is a popular comfort food favorite for many generations. Add some herbs, spices, or other ingredients of choice to give it an extra boost of flavor.
  • Mac and Cheese: Mix American cheese with other cheeses to create the ultimate creamy and savory mac and cheese recipe. Use elbow macaroni or any shape preferred and bake until golden brown for a satisfying meal.
  • Burgers: Add a slice of American cheese on top of a burger patty while it’s still hot and let it melt to perfection. It adds a creamy flavor and smooth texture that will take your burger to the next level.
  • Cheese Dip: Melt American cheese with milk or cream to create the perfect cheese dip for veggies, chips, or crackers. Add some jalapeno peppers or chili powder for a spicy twist.
  • Quesadillas: Mix American cheese with other Mexican cheeses, chicken, beef, or veggies to make quesadillas that are as cheesy as they should be.
  • Egg Sandwiches: Add a slice of American cheese to a breakfast sandwich with eggs and bacon, sausage, or ham. It’s an excellent way to start the day!
  • Gratin Dishes: Layer American cheese onto potato gratins, casseroles, or other baked dishes to give them a creamy, cheesy texture.
  • Enchiladas: Mix American cheese with chili sauce, chicken or beef, and wrap the mixture in tortillas. Bake until golden brown, the perfect comfort food for any day of the week.
  • Cheesy Fries: Top french fries with melted American cheese and bacon bits for a tasty snack or side dish.
  • Cheeseburgers: Mix American cheese with ground beef or turkey when making cheeseburgers. The melted cheese will become gooey and delicious when sandwiched in between two buns.

How long does American cheese last in the fridge?

American cheese has a longer lifespan when stored correctly in the fridge. An unopened package of American cheese can last for up to six months in the fridge, while an opened package can last for about two weeks. To ensure the American cheese stays fresh for as long as possible, keep it in an airtight container or wrap it tightly with plastic wrap.

American Cheese Nutrition Facts

American cheese may not be the healthiest cheese option out there, but it’s a tasty treat in moderation. The nutrition facts below are for one slice (21 grams) of American cheese:

Calories 70
Total Fat 6g
Total Carbohydrates 1g
Protein 4g

American cheese is a good source of calcium, vitamin D, and vitamin B12. However, it’s also high in sodium, so make sure to watch sodium intake when consuming American cheese regularly.

How Long Does American Cheese Last in Fridge – FAQs

1. How long does opened American cheese last in the fridge?
Typically, an opened package of American cheese can last for up to two weeks when stored properly in the refrigerator.

2. Is it okay to eat American cheese after the expiration date?
It is not recommended to eat American cheese after the expiration date as it can lead to health problems.

3. Can American cheese be frozen to extend shelf life?
American cheese can be frozen to extend its shelf life by up to six months. However, the texture and taste may change after thawing.

4. How do I know if my American cheese has gone bad?
If American cheese has an unpleasant odor or shows signs of mold growth, it should be discarded immediately.

5. What’s the best way to store American cheese?
American cheese should be stored in an airtight container or wrapped tightly in plastic wrap to prevent it from drying out and prolong its freshness.

6. Can I still use American cheese that has been left out overnight?
No, it is not safe to use American cheese that has been left out overnight as it can lead to bacterial growth.

7. How long does unopened American cheese last in the fridge?
Unopened American cheese can last for up to six months in the refrigerator.

Closing Thoughts

Now you know how long American cheese can last in the fridge. Remember to always store it properly in an airtight container or tightly wrapped in plastic wrap to keep it fresh for longer. If you’re unsure if your American cheese has gone bad, do not risk it and simply discard it. Thank you for reading and be sure to visit us again for more informative articles.