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Tips for Reheating Tuna Casserole

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Need some tips for reheating tuna casserole? Here’s everything you need to know about properly storing and reheating this delicious dish. 

Tuna casserole is ideal for lunch and dinner, and it is easy to make. Most recipes are also perfect for meal prep so you can actually make a large batch and use it for your future meals. 

Casserole recipes tend to dry out when reheated. To make sure you avoid this dilemma, I’ve compiled these useful tips for reheating tuna casserole so you can have a deliciously moist meal…even when reheating! Check them all out below!

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Pin showing the title Tips for Reheating Tuna Casserole

How do I reheat a precooked casserole?

As mentioned above, most tuna casserole recipes are freezer friendly. My favorite Weight Watchers Tuna Noodle Casserole can be made in advance and is a lighter and healthier version of the classic tuna casserole recipe.

You can freeze your tuna casserole in three ways:

Without the noodles

This is the best way to ensure that your casserole will have a perfectly delicious texture even when reheated. After your casserole mixture is done, freeze it without the noodles. When you’re ready to serve the dish, thaw the mixture then cook and add the noodles before baking them together. 

With precooked noodles

Slightly cook your noodles and mix them into your casserole mixture before freezing. Thaw and bake the day of serving. Pre-cooking the noodles will help you avoid your casserole being overcooked when reheated. 

Finish the recipe

Fully cooked casserole also freezes well. However, it can be more susceptible to drying or overcooking so keep that in mind when prepping! 

Precooked or not, the two best methods to reheat tuna casserole are the oven and the microwave. 

How to reheat a casserole from the fridge: 

Tuna casserole is good to store in the fridge for up to three days. However, you can extend its shelf life for up to three months if you freeze it. 

If you choose to freeze your tuna noodle casserole, you have to remember to thaw it for 24 to 32 hours first then let it stand for 30 minutes at room temperature before baking.

Of course, if your casserole is being stored in the fridge, you can skip the thawing process and proceed to the next step. 

Must Have Kitchen Tools for Making and Reheating Tuna Casserole

Aside from giving some tips for reheating tuna casserole, I’ve also included some useful shopping links for you here. You will need some items for making and reheating tuna casserole so make sure to check out these links. 

These kitchen gadgets and tools will not only be a great addition to your kitchen arsenal but will also make your cooking experience more fun and less stressful. 

As an Amazon Associate and member of other affiliate programs, I earn from qualifying purchases.

Different Methods for Reheating Tuna Casserole Images

Reheating Casseroles in the Oven

To reheat your tuna casserole using the oven, start by preheating the oven at 350F. 

Cover the top of your casserole with aluminum foil before popping it in the oven. This step is important to lock in the moisture and speed up the reheating process. 

Bake your tuna casserole for 10 to 15 minutes and remove the foil to achieve a crispy crust. Bake again for an additional 10 to 15 minutes or until completely warm. The reheating time will vary depending on the coldness, ingredients, and amount of tuna casserole you are reheating. 

How to Reheat a Casserole in the Microwave:

Reheating tuna casserole in the microwave is much faster than in the oven. It’s also a better option if you are reheating a small portion only. 

To prevent your casserole from drying out, put a small microwave safe cup with a bit of water in the microwave along with your tuna casserole. Microwave for 2 to 3 minutes. 

Flip the pieces or stir halfway through if possible. Once fully reheated, let it cool and serve.

More Tips for Reheating Tuna Casserole:

Tuna casserole is fun and satisfying to eat whether it’s lunch or dinner. Whether you end up with leftovers or you made a large batch for meal prep, these tips will come in handy to achieve an evenly heated and deliciously moist tuna casserole. 

If you are reheating a large portion and planning to use the microwave method, make it a point to cut the casserole into smaller pieces. This step will help you ensure that your tuna casserole will be evenly heated. 

Letting your tuna casserole stand at room temperature for 30 minutes will speed up the reheating process.

If you’re planning to freeze your tuna casserole with precooked noodles, immediately rinse the noodles with cold water to stop them from cooking. Add a drizzle of olive oil to prevent them from sticking together too. 

Want to try new recipes? 

Hopefully, you found these tips for reheating tuna casserole useful. Let us know what you think in the comment section below. We’d love to hear from you!

If you love to discover and try new recipes, you’ll also want to check out these recipe collections. These fun recipe roundups can help you plan your meals and find new family favorites.