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Best Tuna Casserole Recipe

Published: Feb 27, 2026 by Bara · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 4.3 from 66 reviews

There’s something undeniably comforting about a warm, cheesy casserole bubbling fresh from the oven, and the Best Tuna Casserole Recipe perfectly captures that feeling. This dish combines tender egg noodles, savory tuna, and a creamy mushroom soup base, all crowned with a crispy potato chip topping that adds an irresistible crunch. It’s a tried-and-true classic that’s easy to whip up on busy weeknights and loved by both kids and adults alike. Once you make this, it might just become your go-to meal when you want something hearty, flavorful, and delightfully nostalgic.

Ingredients You'll Need

The image shows nine clear glass bowls on a white marbled surface, each filled with different ingredients. The largest bowl contains yellow egg noodles with a curly texture, placed on the right side. Next to it, a medium bowl holds shredded yellow cheddar cheese. Another medium bowl shows small green peas that appear fresh and round. One bowl contains diced white onions with a smooth texture, while another has sliced mushrooms with a brown and beige look. One bowl is filled with creamy white sauce, and another has light beige cooked chicken pieces with a slightly crumbly texture. There is also a bowl holding pale yellow potato chips, and another contains a mix of white and darker bits, likely diced or chopped chicken. All elements are spaced neatly on the white marbled surface photo taken with an iphone --ar 4:5 --v 7

The magic of the Best Tuna Casserole Recipe comes down to simple, pantry-friendly ingredients that each bring a special something to the dish’s overall charm. From creamy soups to crunchy toppings, every item plays a part in creating that perfect balance of textures and flavors.

  • Egg noodles: Tender yet firm, they soak up all the creamy goodness without getting mushy.
  • Condensed cream of mushroom soup: Acts as the rich and savory base that ties everything together.
  • Shredded Cheddar cheese: Adds gooey meltiness and sharp flavor in every bite.
  • Canned tuna: The protein star that’s mild yet flavorful, making the casserole satisfying.
  • Frozen green peas: Brings a pop of color and subtle sweetness to lighten the dish.
  • Sliced mushrooms: Earthy and tender, they complement the creamy soup beautifully.
  • Chopped onion: Provides a mild bite that enhances the savory flavors.
  • Crushed potato chips: The secret to an addictive crunchy crust that everyone will rave about.

How to Make Best Tuna Casserole Recipe

Step 1: Cook the Egg Noodles

Start by filling a large pot with lightly salted water and bringing it to a boil. Add the egg noodles and cook them until they’re tender but still have a nice bite, about 7 to 9 minutes. Drain the noodles well to avoid any excess moisture that could make the casserole soggy later on.

Step 2: Preheat Your Oven

While the noodles are cooking, get the oven heating up to 425 degrees Fahrenheit. This higher temperature helps create that delicious golden crust once the casserole is baked.

Step 3: Combine Ingredients

In a large mixing bowl, toss together the cooked noodles, condensed cream of mushroom soup, one cup of shredded Cheddar cheese, drained tuna, green peas, sliced mushrooms, and chopped onion. Mix everything gently but thoroughly to make sure every bite is packed with flavor.

Step 4: Assemble the Casserole

Transfer your mixed ingredients into a 9x13-inch baking dish, spreading it out evenly. Then it’s time for the crowning touches — sprinkle crushed potato chips evenly over the top, then add the remaining cup of Cheddar cheese. This combination will crisp up beautifully while the cheese melts into a luscious, golden blanket.

Step 5: Bake to Perfection

Pop the casserole into your preheated oven and bake for about 15 to 20 minutes. Keep an eye out for the cheese to get bubbly and lightly golden at the edges. Once ready, remove it from the oven and get ready to dig in!

How to Serve Best Tuna Casserole Recipe

The dish is shown in a white bowl placed on a white marbled surface. Inside the bowl, there are six distinct sections arranged in a circular pattern without mixing, showcasing different ingredients. Starting from the top left and moving clockwise, there are bright green peas with a slightly matte texture, smooth pale brown sliced mushrooms glistening lightly, thick white creamy sauce with specks of herbs, a heap of finely shredded orange cheese, tender light pink shredded tuna, small white chopped onions with a slight shine, and in the center, curly pasta pieces with a pale yellow color and soft texture. The photo taken with an iphone --ar 4:5 --v 7

Garnishes

To make your Best Tuna Casserole Recipe even more inviting, try garnishing with freshly chopped parsley or a sprinkle of smoked paprika. Not only do they add a fresh burst of color, but they also subtly elevate the flavors and make the presentation pop.

Side Dishes

This casserole pairs wonderfully with simple, vibrant sides like roasted Brussels sprouts, steamed broccoli, or crisp green beans. These veggies provide a lovely textural contrast and brighten up the plate, balancing the richness of the main dish.

Creative Ways to Present

If you want to impress guests or make weeknight dinner feel special, serve the casserole in individual ramekins or smaller baking dishes. You can also offer a variety of crunchy toppings — like crushed butter crackers, cornflakes, or even French-fried onions — so everyone can customize their own crust.

Make Ahead and Storage

Storing Leftovers

After you’ve enjoyed your delicious Best Tuna Casserole Recipe, refrigerate any leftovers in an airtight container. They’ll stay fresh for about 3 to 4 days, making for a fantastic next-day meal that tastes just as comforting.

Freezing

If you want to prepare this casserole ahead of time or keep extras, it freezes well. Assemble the casserole but don’t bake it, cover tightly with foil, and freeze for up to 2 months. When you’re ready to enjoy, just thaw overnight in the fridge before baking as directed.

Reheating

To reheat leftovers, either warm them gently in the oven at 350 degrees Fahrenheit until heated through or microwave individual portions. Reheating in the oven will help keep the potato chip topping crispy and the cheese melty.

FAQs

Can I use fresh tuna instead of canned tuna?

While fresh tuna is delicious on its own, canned tuna works best in this casserole because it’s already cooked, has a mild flavor, and blends effortlessly with the other ingredients. Using fresh tuna would change the texture and cooking time.

What can I substitute for the cream of mushroom soup?

If you aren’t a fan of mushroom soup, you can swap it out for cream of chicken soup or even a homemade white sauce. Just make sure it’s creamy enough to bind the casserole ingredients and provide that lovely richness.

Are there vegetarian options for this casserole?

Absolutely! To make a vegetarian version of the Best Tuna Casserole Recipe, simply omit the tuna and consider adding extra mushrooms, tofu cubes, or a medley of your favorite veggies to keep it hearty and satisfying.

Can I make this recipe gluten-free?

Yes! Use gluten-free egg noodles and substitute the canned soup with a gluten-free alternative or homemade sauce. Also, double-check that your potato chips or any chosen topping are gluten-free for a safe and tasty meal.

Why do the potato chips work better than breadcrumbs?

Potato chips bring an irresistible salty crunch and a buttery flavor that breadcrumbs can’t quite match. They crisp up beautifully in the oven and provide a fun twist on the classic topping.

Final Thoughts

There’s so much to love about the Best Tuna Casserole Recipe, from its creamy, cheesy middles to its crunchy, flavorful top. It’s the kind of dish that makes everyone feel cared for, whether you’re feeding a busy family or hosting friends for a cozy night in. Give this recipe a try — I promise it will become one of your favorites in no time!

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Best Tuna Casserole Recipe

Best Tuna Casserole Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.3 from 66 reviews
  • Author: Bara
  • Prep Time: 10 mins
  • Cook Time: 20 mins
  • Total Time: 30 mins
  • Yield: 6 servings (1 9x13-inch casserole)
  • Category: Casserole
  • Method: Baking
  • Cuisine: American
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Description

This best tuna casserole is a comforting and easy-to-make weeknight dish that combines tender egg noodles, creamy mushroom soup, tuna, and peas, all topped with crunchy crushed potato chips and melted cheddar cheese for a deliciously satisfying meal the whole family will love.


Ingredients

Main Ingredients

  • 1 (12 ounce) package egg noodles
  • 2 (10.5 ounce) cans condensed cream of mushroom soup
  • 2 cups shredded Cheddar cheese, divided
  • 2 (5 ounce) cans tuna, drained
  • 1 cup frozen green peas
  • ½ (4.5 ounce) can sliced mushrooms
  • ¼ cup chopped onion
  • 1 cup crushed potato chips


Instructions

  1. Gather Ingredients: Collect all the necessary ingredients to ensure a smooth cooking process.
  2. Cook Noodles: Fill a large pot with lightly salted water and bring it to a boil. Add the egg noodles and cook them until they are tender but still firm to the bite, about 7 to 9 minutes. Drain the noodles well.
  3. Preheat Oven: While the noodles are cooking, preheat your oven to 425 degrees F (220 degrees C) to prepare for baking the casserole.
  4. Mix Ingredients: In a large bowl, combine the cooked noodles, condensed cream of mushroom soup, 1 cup of shredded cheddar cheese, drained tuna, frozen peas, sliced mushrooms, and chopped onion. Stir everything together until evenly coated with the soup.
  5. Transfer to Baking Dish: Pour the mixed casserole ingredients into a 9x13-inch baking dish, spreading them out evenly.
  6. Add Toppings: Sprinkle the crushed potato chips over the top of the casserole mixture, then evenly distribute the remaining 1 cup of shredded cheddar cheese on top for a crunchy, cheesy crust.
  7. Bake: Place the baking dish in the preheated oven and bake for about 15 to 20 minutes, or until the cheese is melted and the edges of the casserole start to turn a light golden brown.
  8. Serve: Remove the casserole from the oven, allow it to cool slightly, then serve hot and enjoy.

Notes

  • For a different crunchy topping, substitute crushed potato chips with crushed butter crackers, cornflakes, or French-fried onions.
  • This casserole pairs beautifully with roasted Brussels sprouts, steamed broccoli, or green beans for a complete meal.

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I’m Bara, a proud mom, grandmother, and woman who has loved cooking for more than fifty years.
For me, food has never been just a meal it’s a language of love, a way to bring people together, and a way to create memories that last a lifetime.

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