
Leftover boxed macaroni and cheese can be tricky to revive, as it tends to lose moisture and flavour when reheated. However, with a few simple tips and tricks, you can transform your leftovers into a delicious and comforting meal. Whether you're looking for a quick fix or something more creative, there are plenty of ways to enjoy your leftover mac and cheese. From adding milk and butter to create a creamy consistency to getting inventive with flavours and ingredients, you can elevate your leftovers into a dish that's just as good as the first time. So, if you're wondering how to give new life to that box of leftover mac and cheese, read on for some mouth-watering ideas!
| Characteristics | Values |
|---|---|
| Storage | Store in an airtight container in the refrigerator for up to 3-5 days |
| Reheating | Use the microwave for small batches, and the oven for larger batches |
| Moisture | To prevent drying out, add milk and butter when reheating |
| Flavour | Add extra cheese when reheating to enhance flavour |
| Recipes | Macaroni and cheese cups/muffins, fritters, pizza, soup, casseroles, stuffed acorn squash, skillet bakes |
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What You'll Learn

Reheat in the microwave
Reheating leftover boxed macaroni and cheese in the microwave is a convenient and effective method, especially for small batches. Here is a step-by-step guide to ensure your meal is heated evenly and safely:
Firstly, it is important to store your leftover macaroni and cheese properly. Use airtight containers or glass containers with lids to maintain freshness and prevent drying out. This will ensure your macaroni and cheese retains moisture and flavour when reheated.
When you're ready to reheat, take the desired portion out of the refrigerator and place it in a microwave-safe dish. Cover the dish with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape. This helps prevent the steam from building up and making your food soggy.
Next, set the microwave to a medium power level. This is important to prevent overheating, which can cause your macaroni and cheese to become dry and hard. Heat the pasta in short intervals, starting with 30-second bursts, and stir the pasta in between to ensure even heating. Repeat this process until your macaroni and cheese reaches your desired temperature.
If your macaroni and cheese starts to look dry during reheating, you can add a small amount of milk or water to the dish and stir it through. This will help restore moisture and creaminess to your pasta. Additionally, you can sprinkle a little extra cheese on top, which will melt and add some extra creaminess and flavour.
Finally, before serving, let the dish rest for a minute or two. This allows the heat to distribute evenly, ensuring your macaroni and cheese is hot throughout. Then, simply enjoy your freshly reheated meal!
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Bake in the oven
Leftover boxed macaroni and cheese can be baked in the oven to create a range of delicious dishes. Here are some ideas to transform your leftovers:
Mac and Cheese Cups
For a fun and portable snack, you can turn your leftover mac and cheese into baked muffins. Preheat your oven to 425° F. Grease a 6-cup muffin pan generously to avoid sticking. In a medium bowl, mix your leftover mac and cheese with a beaten egg and some extra cheese. Spoon the mixture into the prepared muffin pan and sprinkle with a topping of your choice—a crispy, crunchy breadcrumb topping is recommended. Bake for 20-25 minutes, or until the topping is a deep golden colour. Allow the muffins to cool for 5-10 minutes before removing them from the pan.
Mac and Cheese Bites
You can also turn your leftovers into bite-sized mac and cheese bites. Preheat your oven to 400 degrees Fahrenheit. Prepare a batter by mixing your leftover mac and cheese with eggs and cheese. Squoosh the mixture into balls, batter them, and bake them until they're crispy and golden. For extra flavour, you can add toppings like breadcrumbs, paprika, or even Goldfish crackers.
Mac and Cheese Casserole
If you have a larger portion of leftovers, you can reheat them in a casserole dish in the oven. Break up any clumps of leftover mac and cheese in a mixing bowl and add one tablespoon of milk per cup of pasta. You can also add some extra cheese to the mixture. Transfer the mixture to a casserole dish and top with more cheese and a breadcrumb topping. Bake at 350°F until the cheese is bubbly and melted.
Mac and Cheese Pizza
For a creative twist, try using your leftover mac and cheese as a pizza topping. Simply spread your mac and cheese over a pizza base and bake it in the oven until heated through. You can also add other toppings of your choice for a unique and tasty pizza.
Tips for Baking with Leftover Mac and Cheese:
- When baking with leftover mac and cheese, be careful not to overcook it, as it can dry out.
- Add a little extra butter, milk, or cheese to your leftovers before baking to help retain moisture and creaminess.
- Get creative with your cheese choices—mix and match different types of cheese to enhance the flavour of your dish.
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Make mac and cheese muffins
Mac and cheese muffins are a fun way to use leftover boxed macaroni and cheese. They are handheld, portable, and perfect for kids' lunch boxes, snacks, or party appetizers. Here is a step-by-step guide to making mac and cheese muffins:
Ingredients:
- Leftover mac and cheese (3 cups of pasta)
- Egg
- Butter
- Cheese (cheddar, gruyère, gouda, Swiss, Monterey Jack, or any combination)
- Milk
- Breadcrumbs
- Olive oil
- Salt
- Paprika
Method:
- Preheat your oven to 425° F (or 350° F according to some sources).
- Grease a 6-cup muffin pan generously with cooking spray.
- In a medium bowl, mix the leftover mac and cheese, beaten egg, and some cheese until well combined.
- Spoon the mixture into the greased muffin pan and press it down gently.
- To make the topping, mix breadcrumbs, melted butter, and paprika in a small bowl. Sprinkle this topping over the mac and cheese in the muffin pan.
- Bake for 20-25 minutes, or until the top is deep golden.
- Allow the muffins to cool for 5 to 10 minutes, then run a butter knife around the edges to loosen them before gently lifting them out of the pan.
Tips:
- Make sure the pasta is at room temperature or completely cooled before mixing. Cold mac and cheese may be too stiff and difficult to work with.
- You can add extra ingredients to the mixture, such as broccoli, chicken, onions, or different types of cheese.
- For a healthier option, try adding corn to the mixture for extra nutrition and flavor.
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Fry into fritters
Leftover boxed macaroni and cheese can be transformed into delicious fritters with a few simple steps. Here is a detailed guide on how to fry your leftover macaroni and cheese into golden, crispy fritters:
Preparation
Firstly, prepare your leftover macaroni and cheese. Depending on the consistency of your leftovers, you may need to adjust the following steps slightly. However, generally, you will want to cut the refrigerated mac and cheese into slabs or squares of roughly half an inch in thickness. The size and shape of a deck of cards is a good guideline to follow.
Breading
Set up a breading station with three dishes. In the first dish, combine flour with salt, pepper, and cayenne to taste. You can also add other spices or seasonings of your choice, such as garlic powder or onion powder, to enhance the flavour. In the second dish, whisk an egg with a small amount of water to create an egg wash. The final dish should contain breadcrumbs. You can use plain breadcrumbs or add spices to them to create a more complex flavour profile. Spicy chipotle breadcrumbs or Parmesan breadcrumbs are unique options that can add a kick to your fritters.
Take each slab of mac and cheese and dredge it in the flour mixture, ensuring it is evenly coated. Tap off any excess flour. Next, dip the floured mac and cheese into the egg wash, coating all sides. Finally, roll the slab in the breadcrumbs until thoroughly coated. Set the breaded fritters aside on a cooling rack for a few minutes to allow the breading to set.
Frying
For frying, use a heavy pot or Dutch oven, and fill it with enough oil to come halfway up the sides of the fritters. Heat the oil to 350°F to 375°F. You can use a digital instant-read thermometer to monitor the temperature. Once the oil is hot, carefully place a few fritters into the oil at a time, being careful not to crowd the pot. Fry the fritters for approximately 1 to 1.5 minutes per side, or until they achieve a golden brown colour and a crispy texture. Remove the fritters from the oil and place them on a cooling rack over paper towels to absorb any excess oil. Repeat this process until all your fritters are fried.
Serving
Serve your macaroni and cheese fritters hot. They can be enjoyed as is or with a dipping sauce of your choice. Some people prefer ketchup, while others may opt for a spicy aioli or a different type of sauce. Get creative and experiment with different flavours to find your favourite combination!
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Add to a soup
If you're looking to transform your leftover boxed macaroni and cheese into a hearty soup, here are some detailed steps to guide you through the process:
Prepare the Soup Base:
Start by melting butter in a Dutch oven or a large pot. Chop up 2 stalks of celery, 2 onions, 2 cloves of garlic, and a green pepper, and then grate or dice 2 carrots. Add these vegetables to the melted butter and sauté until they become soft. This forms the flavorful base for your soup.
Create the Broth:
Next, you'll create a creamy broth by gradually whisking in chicken or vegetable broth. You can use 4 cups of broth for a more soup-like consistency or reduce the amount for a thicker soup. Along with the broth, add milk or half-and-half to the pot. Whisk in 3 tablespoons of all-purpose flour to thicken the mixture. Continue to whisk constantly to avoid lumps.
Season to Taste:
To add depth of flavor, season your soup with dry mustard, Worcestershire sauce, pepper, and hot pepper sauce. You can adjust the amounts of these seasonings to suit your taste preferences. If you like a spicier soup, add more pepper or hot sauce. Remember to taste as you go to ensure the flavors align with your liking.
Add Leftover Macaroni:
Now it's time to add your leftover boxed macaroni and cheese to the soup. Stir it into the simmering broth and let it cook for about 20 to 30 minutes. The macaroni will absorb some of the liquid, so be mindful of that when deciding on the soup's consistency at the beginning. If you find the soup becomes too thick, you can always thin it out with a little extra milk or broth.
Optional Add-Ins:
For an extra indulgent touch, consider adding some cooked and chopped bacon to your soup. You can also sprinkle in some extra shredded cheese, such as cheddar or Monterey Jack, to enhance the cheesiness. These additions will create a richer, more decadent soup.
And there you have it! By following these steps, you've transformed your leftover boxed macaroni and cheese into a comforting and creamy soup. It's a delicious way to enjoy your leftovers in a whole new way.
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Frequently asked questions
Leftover macaroni and cheese will stay good for up to three to five days when properly stored in an airtight container in the refrigerator.
The microwave method is best for reheating small batches of macaroni and cheese. For larger batches, the oven is a great option. Reheating in the oven can be done at 350°F for 15 to 20 minutes.
To enhance the flavour and texture of leftover macaroni and cheese, you can add one tablespoon of milk and butter per cup of macaroni and cheese. You can also add extra cheese to finish the dish.
There are several creative ways to use up leftover macaroni and cheese, including making macaroni and cheese muffins, fritters, pizza, or stuffing it inside a roasted acorn squash.
Leftover macaroni and cheese should be stored in an airtight container or glass containers with lids to maintain freshness and prevent drying out.

























