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This easy, Instant Pot Tuna Casserole is my comfort go-to during the busy workweek. Made with creamy noodles, frozen peas and carrots, and cream of mushroom soup, this is the absolute best tuna casserole out there.

creamy instant pot tuna casserole with mushrooms bread crumbs — Yummy tuna noodle casserole in fresh from the Instant Pot!

Contents

Why you’ll love this recipe

My favorite thing about this comforting, thick and creamy tuna noodle casserole is it’s all made in one pot!

customizable to your favorite noodles
fresh or frozen peas and carrots may be used
extra creamy/cheesy
the best seafood comfort recipe for any time of year

instant pot tuna casserole ingredients — just dump it in the pot and go

How do I make tuna casserole in the Instant Pot?

Remember how easy Tuna Helper was? Well, this tuna noodle casserole is a quick way to make right in your instant pot or pressure cooker and it requires no stirring at all. Plus, you’re getting a full serving of veggies too!

It is the best tuna noodle casserole and amazingly creamy.

Simply add the tuna fish and ingredients in the order in the recipe and you’re done!

pasta with tuna casserole — Use any pasta you like!

What kind of pasta should I use with tuna casserole?

In this recipe, I used bowtie pasta, but you may use whatever you have on hand. Egg noodles are a common favorite for tuna casseroles.

If using egg noodles, I recommend pressure cooking for only 1 minute.

creamy instant pot tuna casserole with mushrooms and seasonings — tuna casserole is perfect with peas and carrots

What veggies can I add to my tuna casserole?

In this recipe, I added fresh carrots and mushrooms to the pot during the pressure cook time. Later, I added canned peas (drained). You can use any combination of fresh, frozen or canned veggies.

If you are using fresh vegetables, add them prior to pressure cooking.

If you are using frozen or canned, add them after pressure cooking and sauté to preferred temperature.

creamy tuna casserole with mushrooms and seasonings — creamy and dreamy

Can I freeze tuna casserole?

Yes, be sure to place in an air-tight freezer bag. Store in the freezer for up to three months. Also, you’ll want to thaw in the refrigerator or in a pot of cold water prior to re-heating.

tuna casserole with mushrooms and seasonings — tuna casserole with cajun seasoning

What can I serve with tuna casserole?

If you’re feeling fancy like Martha Stewart, add on some bread crumbs or extra cheese. I like adding Tony’s cajun seasoning to mine.

I like to serve my casserole with a nice side salad.