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How to Reheat Tater Tot Casserole

When trying to reheat tater tot casserole, cooking at the right temperature will ensure your meal is ready quickly and evenly. Let’s look at how to reheat tater tot casserole, so it’s perfectly hot and ready when you and your family need it.

The easiest way to reheat your favorite Tater Tot Casserole is to put them in the oven at 350 degrees for 10-15 minutes. The tots must be thoroughly heated before serving, so it’s best to watch them closely and remove them from the oven once all sides are golden brown.

This delicious dish is a tasty and easy alternative to beef stew or leftover beef. It’s great for dinner as well as for lunch or breakfast.

How to Reheat Frozen Tater Tot Casserole

How to Reheat Frozen Tater Tot Casserole

When your tater tot casserole is frozen, it’s time to work on reheating it. You’ll need some ingredients and a few steps to help you bring the heat back into your meal.

Follow this guide:

1. Thaw your frozen tater tot casserole overnight in the fridge.

2. Preheat the kind of oven to 350 degrees Fahrenheit.

3. In a large skillet, put 1 tablespoon of olive oil and one chopped onion, then sauté until translucent, about 5 minutes.

4. Add the frozen tater tot casserole to the skillet and stir to coat with the onions and oil, then cook for 3 minutes or until heated, occasionally stirring to prevent burning on the bottom of the pan.

5. Transfer to baking dish, top with a layer of cheese sauce, then cover with aluminum foil before baking for 30 minutes at 350 degrees Fahrenheit until hot throughout and bubbly around the edges.

Alternatively, you can use a microwave. Here is how

1. Open the tater tot casserole and place it in a microwave-safe bowl.

2. Add about 2 tablespoons of water and mix with a fork or spoon until all the tater tots are coated with water. It will cook faster and more evenly. If you add plenty of water, just add some more.

3. Cook for 5 minutes. We recommend microwaving in 20-second intervals instead of one-minute intervals so that your tater tots don’t overcook or burn before they’re properly heated.

How Long to Reheat Tater Tot Casserole in the Oven

The time it takes to reheat tater tot casserole depends on a number of factors. It will depend on the size of your oven, how hot it is inside, and how long you left it in there before you removed it from the heat source.

If your tater tots have been sitting out for a while at room temperature, they may need to be heated up for about five minutes to be crispy again. This can be done by putting them back into the oven at 400 degrees F (200 degrees C) until they are warm and crisp again.

Also, if you’re using an oven-safe dish with a lid, preheat it at 400 degrees F for 30 minutes. If your dish doesn’t have a lid, cover it with foil and set it aside until ready to serve.

However, if you’re using a crockpot instead of an oven-safe dish with a lid, cook for 3 hours or low for 6 hours.

How Long to Bake Tater Tots at 375

The time to bake tater tots at 375 is between 20 and 30 minutes, depending on the size of the pan you use. The best way to test if they’re ready is by peeling back the edge of a tater tot and pressing it with your finger. If it’s soft and squishy, then they’re done.

To keep things as simple, I recommend using an infrared thermometer or heat-resistant ruler to ensure that your oven is set at 375°F. You should also ensure that your baking sheet has raised edges, so juices from the tater tots don’t drip onto your oven floor.

However, you don’t want to take them too long. You want to take them as little as possible. If they stay longer in the oven, the more likely they will get soggy and lose their crunch.

How to Reheat Tater Tots in Air Fryer

Tater tots are a delicious and easy dish that is perfect for a quick weeknight dinner. But what if your tater tots are cold leftover from the night before? Don’t worry! You can use an air fryer to reheat them, and they’ll still taste great.

Before cooking, ensure your tater tots are completely cooled down. Then preheat your air fryer at 350°F for 10 minutes.

Place the cooled tater tots into a single layer on a plate or baking sheet lined with parchment paper. If you don’t have any parchment paper, just use aluminum foil instead.

Cook for 5-7 minutes. As they cook, they may brown a little bit, but this is normal—the air fryer will bring out some of the natural flavors of your potatoes.

How to Store Leftover Tater Tots

Storing leftover tater tots is a simple but effective way to use up some of your favorite leftovers.

Here are some tips for how to store your leftover tater tots:

1. Put them in a plastic bag or airtight container that will keep out moisture.

2. If you have leftovers, put the containers back in the cabinet or storage area before you take out the tater tots.

3. If you have leftovers, put them back in the freezer until they are completely frozen solid (about 24 hours).

4. To get them to warm, place them in a bowl and cover them with foil.

5. If you want them cold, place them in a storage container and cover them tightly with plastic wrap or aluminum foil.

6. If you want them to stay at room temperature (or even slightly warmer), place them in a plastic bag and seal it.

7. And if you have leftover tater tots that are already cold, put them in a refrigerator and refrigerate them until you are ready to eat them again.

What to Do with Leftover Tater Tots

What to Do with Leftover Tater Tots

We all know that tater tots are a delicious, super-easy side dish. But what do you do with them when you’re done?

There are ways to use up those extra tater tots, including:

1. For a tater tot casserole: mix the tater tots with shredded cheese and sour cream.

2. In a salad: mix them with mayonnaise and Parmesan cheese.

3. As an appetizer: add them to a tortilla chip bowl and drizzle on some ranch dressing.

4. In a soup, chop leftover tater tots and toss them into your favorite soup recipe.

5. Make a hash out of them: Make sure they’re really cold before you start cooking, so they won’t get soggy. To add some extra pizza, try adding cheese or bacon at the end.

6. Bake them into homemade bread—mix milk and yeast with flour, butter, and salt before baking.

7. Use them as a base for macaroni and cheese. Cook your macaroni according to package directions until al dente (or as far as it needs to be cooked). Meanwhile, heat some oil in a pan over medium heat on the stovetop.

8. Add them to your favorite pasta. Tater tots make an excellent base for any homemade pasta sauce, from simple tomato sauce to Italian sausage and garlic bread crumbs.

9. Make an omelet. If you don’t have any leftovers or want something different than what’s on the menu at breakfast time, why not try making an omelet out of tater tot hash browns and cheese? It’s sure to be a crowd pleaser.

8. Add them to your morning oatmeal for an extra crispy texture.

How Long to Cook a Casserole That Has Been Refrigerated

If you’re making a refrigerated casserole, it’s best to let it sit at room temperature for about 20 minutes before starting to cook.

You’ll first have to take the casserole out of the fridge and let it sit on the counter for about 20 minutes. This will warm up the casseroles slightly, which is what you want. 

Also, if that’s easier for you, you can put your oven on high heat and preheat it for an hour or so before cooking your casserole.

Next, put the casserole in the oven and bake until it is heated. If baking a casserole with dairy products (like cheese), ensure that these items are already heated before putting them into your oven so they don’t burn during cooking time.

The typical time to cook a casserole that has been refrigerated is 45 minutes to 1 hour. The key to making sure the casserole is not too soft is to remove it from the fridge refrigerator and allow it to sit at room temperature for about 20 minutes.

How Long to Cook Frozen Casserole

It depends on what you’re making and how much time you have left. If you’re cooking a frozen casserole, it will take longer than cooking something fresh! The reason is that when it comes to freezing food, you can’t just throw put it in the oven and expect it to be ready by the time your guests arrive. 

You need to let the food thaw completely before baking.

If your recipe calls for pre-baking or pre-browning your frozen casserole, you need even more time: up to two hours depending on how well-done you want the dish to be.

And if your recipe doesn’t require any baking or prepping before freezing, you should get away with waiting only about 1 hour before serving.

If you’d like to bake a frozen casserole at higher temperatures, follow these steps:

1. Preheat the oven to a 350 degrees Fahrenheit (180 degrees Celsius). Turn on the convection setting if available.

2. Coat the baking dish with nonstick cooking spray or butter.

3. Place prepared frozen casserole on a baking sheet and pop it into the oven. Bake according to the instructions below (for example, 15 minutes per pound/0.

How to Reheat Broccoli Casserole

Broccoli Casserole is a recipe that’s been around for a long time, and it’s one of those dishes that can never be too old. It’s simple, easy, and delicious—and it doesn’t take much effort to cook up the perfect version of this classic.

Here is how to Reheat Broccoli Casserole:

1. Cover broccoli in water and bring to a boil in a pot or pan. Cook for about 8 minutes, until tender. Drain and set aside.

2. Mix butter, milk, eggs, cheese, salt, and pepper to taste in a large bowl. Stir well to mix everything evenly.

3. Stir in cooked broccoli until combined into an even mixture (about 1/2 cup at a time). Pour into an oven-safe or casserole dish (I used a 9×13 pan).

4. Top with bread crumbs if desired. Bake at 350 degrees for 20-30 minutes.

What Temperature Should a Casserole Be Heated to

Heating a casserole to the right temperature is crucial in the cooking process. If the casserole is not heated to a specific temperature, it can lead to food poisoning.

To determine what temperature a casserole should be heated to, you need to know the specific heat of the food and how much heat it can absorb. The particular heat of food is measured in calories per gram and is found by dividing its mass by its weight in grams. The mass of food will vary depending on its composition, so each piece of chicken breast has different specific heat values than each piece of beef brisket or pork shoulder.

To determine what temperature your casserole needs to be heated to, take your specific heat value and divide it by 2. This will tell you how many degrees below your desired target temperature your casserole should be cooked at

Generally, The ideal temperature for a casserole is 350 degrees Fahrenheit. This temperature will help the casserole cook through and ensure that any spices or seasoning are cooked.

Frequently Asked Questions

How Do You Reheat a Casserole Without Drying It Out?

Reheat a casserole without drying it out by microwaving it in its main dish carrier. This can be on a plate, in a microwave-safe bowl, or even in the microwave-safe lid of the casserole itself. 

Placing the dish in a larger, higher temperature container works well with this method since that allows the food to heat up more uniformly and won’t overheat any corners.


You now have everything you need on how to reheat tater tot casserole. The next time you’re craving a delicious bit of comfort food, it’s your time to shine, and you don’t have to rely on delivery. Put those leftovers to good use, and don’t let them go to waste.

How to Reheat Tater Tot Casserole

Tater Tot Casserole

Tater Tot Casserole made with ground beef, tater tots, cheesy and a creamy beef sauce topped with cheese.
Prep Time: 6 minutes
Cook Time: 1 hour
Total Time: 1 hour 6 minutes
Course: Main Course
Cuisine: American
Servings: 4
Calories: 303kcal
Author: Linda Williams


  • 1 Casserole Dish


  • 1 Pound Ground Beef
  • 0.25 tsp teaspoon kosher salt
  • 0.13 tsp coarse ground black pepper
  • 0.5 yellow onion , chopped
  • 1 tbsp flour
  • 0.5 cup beef broth
  • 0.13 cup whole milk
  • 0.5 tbsp Worcestershire sauce
  • 1 cup cheddar cheese , shredded
  • 16 ounces frozen tater tots


  • Preheat the oven to 350 degrees.
  • Add the ground beef, salt and pepper to a large cast iron skillet on medium high heat and cook until browned, about 5-7 minutes.
  • Remove the ground beef and add in the onions, cooking for 5-7 minutes or until softened.
  • Add in the flour and whisk for 15 seconds before adding in the beef broth, whole milk and Worcestershire sauce.
  • Cook on medium heat for 2-3 minutes until thickened, add the beef back in and stir until combined.
  • In a 9×13 pan layer the beef, then the cheese and finally line up the tater tots before baking for 45 minutes.



Calories: 303kcal | Carbohydrates: 2g | Protein: 20g | Fat: 23g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 10g | Trans Fat: 1g | Cholesterol: 81mg | Sodium: 218mg | Potassium: 353mg | Fiber: 0.1g | Sugar: 1g | Vitamin A: 15IU | Vitamin C: 0.3mg | Calcium: 35mg | Iron: 2mg
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