Creamy Homestyle Tuna Noodle Casserole with Peas

Published on October 10, 2025
4.8 (245 reviews)

There’s something irresistibly comforting about a warm casserole that hugs you from the inside out, and this Creamy Homestyle Tuna Noodle Casserole with Peas delivers exactly that. It’s the kind of di

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Creamy Homestyle Tuna Noodle Casserole with Peas
Prep: 20 mins
Cook: 35 mins
Servings: 6

There’s something irresistibly comforting about a warm casserole that hugs you from the inside out, and this Creamy Homestyle Tuna Noodle Casserole with Peas delivers exactly that. It’s the kind of dish that feels like a hug on a chilly weekend morning, making it a perfect centerpiece for a leisurely brunch.

What sets this version apart is the balance of creamy, cheesy sauce with bright green peas that add a pop of color and a burst of sweetness. The tuna stays moist, while the crunchy breadcrumb topping provides a satisfying contrast.

Busy parents, brunch‑loving friends, and anyone craving a nostalgic comfort food will adore this casserole. Serve it for a relaxed Saturday brunch, a holiday breakfast spread, or even as a hearty weekday breakfast‑for‑dinner option.

The process is straightforward: cook the noodles, blend a velvety sauce, combine tuna and peas, top with cheese and breadcrumbs, then bake until golden and bubbling. In under an hour you’ll have a dish that looks as good as it tastes.

Why You'll Love This Recipe

One‑Pan Simplicity: All the components come together in just two pans, so cleanup is minimal and you can focus on enjoying the brunch instead of scrubbing dishes.

Family‑Friendly Flavors: The creamy cheese sauce, tender tuna, and sweet peas create a flavor profile that pleases both kids and adults without any exotic ingredients.

Make‑Ahead Friendly: Assemble the casserole the night before, refrigerate, and pop it in the oven in the morning—perfect for a stress‑free brunch.

Balanced Nutrition: Protein‑rich tuna, fiber‑filled peas, and whole‑grain noodles give you a satisfying, nutrient‑dense meal that fuels a lazy weekend.

Ingredients

The magic of this casserole lies in a few well‑chosen staples that work together to create comfort on a plate. Tender egg noodles provide a hearty base, while canned tuna supplies lean protein. Sweet green peas add color and a subtle pop of sweetness, and a rich sauce made from cream of mushroom soup, milk, and cheddar cheese ties everything together. A buttery breadcrumb topping delivers that coveted golden crunch.

Main Ingredients

  • 8 ounces (about 2 cups) wide egg noodles
  • 2 (5‑oz) cans tuna in water, drained
  • 1 cup frozen peas, thawed

Sauce Components

  • 1 cup whole‑milk milk
  • 1 (10‑oz) can cream of mushroom soup
  • 1 cup shredded sharp cheddar cheese
  • 2 tablespoons unsalted butter, melted
  • 2 tablespoons all‑purpose flour

Seasonings & Toppings

  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • ¼ teaspoon smoked paprika
  • Salt and freshly ground black pepper, to taste
  • ½ cup panko breadcrumbs

Each ingredient plays a specific role: the noodles give body, tuna brings protein, and peas add a sweet pop. The sauce’s combination of soup, milk, cheese, and butter creates a luscious coating that clings to every noodle. Flour thickens the sauce without a roux, while the spices lift the flavor profile. Finally, the breadcrumb topping, brushed with melted butter, turns golden and crunchy during baking, delivering that classic casserole finish.

Step-by-Step Instructions

Creamy Homestyle Tuna Noodle Casserole with Peas

Preparing the Base

Begin by bringing a large pot of salted water to a rolling boil. Add the egg noodles and cook them al dente—about 7‑8 minutes—then drain and set aside. While the noodles cook, melt the butter in a saucepan over medium heat, whisk in the flour, and cook for 1 minute to form a light roux. This roux will thicken the sauce without any lumps.

Creating the Creamy Sauce

Slowly pour the milk into the roux, whisking constantly until the mixture becomes smooth and begins to simmer. Reduce the heat to low, then stir in the cream of mushroom soup, shredded cheddar, garlic powder, onion powder, smoked paprika, salt, and pepper. Continue stirring until the cheese melts and the sauce reaches a thick, coat‑the‑back‑of‑spoon consistency—about 3‑4 minutes. This step is crucial for a velvety texture.

Assembling the Casserole

  1. Combine Noodles and Tuna. In a large mixing bowl, toss the cooked noodles with the drained tuna, thawed peas, and half of the creamy sauce. Mix until everything is evenly coated; this ensures each bite is moist and flavorful.
  2. Transfer to Baking Dish. Lightly grease a 9‑x‑13‑inch casserole dish. Spoon the noodle‑tuna mixture into the dish, spreading it into an even layer. Drizzle the remaining sauce over the top, allowing it to pool in the corners for extra moisture.
  3. Add Topping. Sprinkle the shredded cheddar (if you like extra cheese) and then the panko breadcrumbs evenly across the surface. The breadcrumbs will turn golden and provide a delightful crunch.

Baking

Preheat your oven to 375°F (190°C). Place the assembled casserole on the middle rack and bake for 20‑25 minutes, or until the top is bubbling and the breadcrumbs have turned a deep golden brown. If the topping browns too quickly, loosely cover with foil for the first 15 minutes.

Finishing Touches

Remove the casserole from the oven and let it rest for 5 minutes before serving. Resting allows the sauce to thicken slightly and the flavors to meld. Garnish with a sprinkle of fresh chopped parsley for a pop of color and a hint of freshness.

Tips & Tricks

Perfecting the Recipe

Use Al‑Dente Noodles. Cook the noodles just shy of fully tender; they will finish cooking in the oven without becoming mushy.

Season the Sauce Early. Add salt, pepper, and spices while the sauce simmers so the flavors penetrate the tuna and peas.

Dry Tuna Thoroughly. Pat the drained tuna with paper towels to remove excess liquid, preventing a watery casserole.

Butter the Breadcrumbs. Toss panko with melted butter before sprinkling; this guarantees an even, golden crust.

Flavor Enhancements

Stir a teaspoon of Dijon mustard into the sauce for subtle tang, or add a splash of white wine for depth. A handful of grated Parmesan mixed with the breadcrumb topping adds a nutty umami boost that elevates the whole dish.

Common Mistakes to Avoid

Avoid over‑baking; the casserole should stay creamy, not dry. Also, don’t skip the resting period—cutting too soon releases steam and makes the topping soggy. Finally, be careful not to over‑salt the sauce; the cheese already contributes saltiness.

Pro Tips

Prep the Night Before. Assemble the casserole, cover, and refrigerate. In the morning, simply bake, saving precious brunch time.

Use Fresh Herbs. A sprinkle of chopped chives or dill after baking adds a bright, fresh finish that balances the richness.

Invest in a Good Thermometer. Ensuring the internal temperature reaches 165°F guarantees safe consumption, especially when using canned tuna.

Customize the Cheese. Mix half cheddar with half Gruyère or mozzarella for a more complex melt and flavor.

Variations

Ingredient Swaps

Replace tuna with shredded chicken or cooked shrimp for a different protein profile. Swap peas for corn kernels or diced carrots to change the vegetable component. For a richer sauce, use half‑and‑half instead of milk, or incorporate a splash of cream cheese.

Dietary Adjustments

For gluten‑free diners, substitute the flour with a gluten‑free blend and use gluten‑free panko. Make it dairy‑free by swapping butter for olive oil, using dairy‑free cheese, and replacing milk with almond or oat milk. A low‑carb version can use shirataki noodles or spiralized zucchini in place of egg noodles.

Serving Suggestions

Pair the casserole with a crisp mixed‑green salad dressed in a light vinaigrette, or serve alongside roasted breakfast potatoes for extra heartiness. A side of fresh fruit salad adds a sweet contrast that rounds out a brunch spread beautifully.

Storage Info

Leftover Storage

Allow the casserole to cool completely, then transfer portions to airtight containers. Store in the refrigerator for up to 4 days. For longer keeping, freeze in a freezer‑safe dish or individual portions; wrap tightly with plastic wrap followed by foil. Frozen leftovers maintain quality for up to 3 months.

Reheating Instructions

Reheat in a preheated 350°F oven, covered with foil, for 15‑20 minutes until the interior is steaming hot. Remove foil for the final 5 minutes to crisp the topping again. In a microwave, heat individual servings on medium power for 2‑3 minutes, stirring halfway, and add a splash of milk to revive creaminess.

Frequently Asked Questions

Absolutely. Assemble the casserole, cover tightly, and refrigerate overnight. When you’re ready to serve, simply bake it straight from the fridge; just add a few extra minutes to the baking time to ensure it heats through fully. This makes weekend brunch planning a breeze.

Frozen peas work perfectly—just thaw them and pat dry before folding them in. If you prefer mixed vegetables, increase the total amount to 1½ cups and adjust cooking time by a couple of minutes to ensure everything is heated through. The flavor remains bright and the texture stays pleasant.

Yes, replace the canned soup with an equal amount of homemade béchamel flavored with sautéed mushrooms, a splash of Worcestershire sauce, and a pinch of thyme. This gives you more control over sodium and adds a fresh, earthy depth to the casserole.

Use a gluten‑free all‑purpose flour for the roux and substitute gluten‑free panko or crushed cornflakes for the topping. Verify that the canned soup and cheese are labeled gluten‑free. The rest of the ingredients are naturally gluten‑free, so the dish remains safe and delicious.

This Creamy Homestyle Tuna Noodle Casserole with Peas brings together comforting flavors, simple techniques, and versatile options that make it a brunch staple. From prep to plating, every step is designed for ease and delicious results, while the tips, variations, and storage advice ensure you can adapt it to any schedule or dietary need. Feel free to experiment with herbs, cheeses, or protein swaps—cooking is your playground. Serve it hot, share it with loved ones, and savor every creamy, crunchy bite.

Recipe Summary

Prep
20 min
Cook
35 min
Total
55 min
Servings
6
Category: Pasta Recipes
Cuisine: International
Difficulty: Easy
Course: Main
Quick Tips
  • Make ahead friendly
  • Freezer safe 3 months
  • Easily doubled
  • Customizable

Ingredients

  • 8 ounces (about 2 cups) wide egg noodles
  • 2 (5‑oz) cans tuna in water, drained
  • 1 cup frozen peas, thawed
  • 1 cup whole‑milk milk
  • 1 (10‑oz) can cream of mushroom soup
  • 1 cup shredded sharp cheddar cheese
  • 2 tablespoons unsalted butter, melted
  • 2 tablespoons all‑purpose flour
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • ¼ teaspoon smoked paprika
  • Salt and freshly ground black pepper, to taste
  • ½ cup panko breadcrumbs

Instructions

1
Preparing the Base

Begin by bringing a large pot of salted water to a rolling boil. Add the egg noodles and cook them al dente—about 7‑8 minutes—then drain and set aside. While the noodles cook, melt the butter in a sau...

2
Creating the Creamy Sauce

Slowly pour the milk into the roux, whisking constantly until the mixture becomes smooth and begins to simmer. Reduce the heat to low, then stir in the cream of mushroom soup, shredded cheddar, garlic...

3
Assembling the Casserole

Preheat your oven to 375°F (190°C). Place the assembled casserole on the middle rack and bake for 20‑25 minutes, or until the top is bubbling and the breadcrumbs have turned a deep golden brown. If th...

4
Finishing Touches

Remove the casserole from the oven and let it rest for 5 minutes before serving. Resting allows the sauce to thicken slightly and the flavors to meld. Garnish with a sprinkle of fresh chopped parsley ...

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