Introduction

Tuna Noodle Casserole is the definition of classic comfort food creamy, savory, and oh-so satisfying. Tender egg noodles are coated in a rich, cheesy sauce with tuna, sweet peas, and earthy mushrooms, then topped with a golden, crispy crust. This recipe blends nostalgic flavors with fresh updates, making it a family favorite that works for weeknight dinners or cozy gatherings.

Why I Love This Recipe

There’s something wonderfully comforting and nostalgic about Tuna Noodle Casserole, and this recipe delivers it perfectly. What I love most is how tender noodles are combined with creamy sauce, succulent tuna, fresh peas, and earthy mushrooms, then baked to golden perfection. Each bite offers a comforting mix of flavors and textures, from the creamy, cheesy sauce to the tender noodles and soft, flavorful vegetables.

This recipe is a celebration of classic comfort food. It’s hearty, filling, and simple to prepare, making it perfect for family dinners or when you crave a home-cooked meal that feels warm and satisfying. The combination of tuna, vegetables, and creamy sauce ensures every bite is flavorful and comforting, evoking the nostalgia of a timeless casserole.

For me, this dish is a must-have because it’s more than just a casserole—it’s a comforting, balanced, and flavorful meal that’s easy to prepare yet always hits the mark. The mix of creamy sauce, tender noodles, and savory ingredients makes it a timeless favorite for weeknight dinners or cozy meals at home.

Why This Dish is a Must-Try

Tuna Noodle Casserole with Peas and Mushrooms is a classic, comforting, and satisfying meal that’s perfect for family dinners or cozy nights at home. Here’s why it’s a must-try:

1. Tender, Fluffy Noodles – The noodles provide the perfect base to absorb the creamy, flavorful sauce.
2. Savory Tuna and Vegetables – Tuna, peas, and mushrooms create a hearty, protein-rich, and well-balanced combination.
3. Creamy, Cheesy Sauce – The luscious sauce binds all the ingredients together, making each bite indulgent and comforting.
4. Easy and Convenient – Quick to assemble and bake, it’s ideal for weeknight dinners or meal prep.
5. Nostalgic Comfort Food – A timeless favorite that evokes warm memories and satisfies cravings for a hearty, home-cooked meal.

Trying this recipe guarantees a balanced, flavorful, and satisfying casserole that’s creamy, hearty, and always crowd-pleasing.

Recipe Details

• Preparation Time: 15 minutes
• Cooking Time: 25–30 minutes
• Total Time: 40–45 minutes
• Servings: 6
• Calories: ~410 per serving

Ingredients

For the Casserole Base

• 12 oz (340 g) egg noodles
• 2 tablespoons unsalted butter
• 1 medium onion, finely chopped
• 2 cloves garlic, minced
• 8 oz (225 g) mushrooms, sliced
• 1 cup frozen peas (no need to thaw)
• 2 cans (5 oz / 142 g each) tuna, drained and flaked
• 1 can (10.5 oz / 298 g) cream of mushroom soup
• 1 cup milk (whole or 2%)
• ½ cup sour cream
• 1 cup cheddar cheese, shredded
• ½ teaspoon dried thyme (optional)
• Salt & pepper, to taste

For the Topping

• 1 cup panko breadcrumbs (or regular breadcrumbs)
• 2 tablespoons unsalted butter, melted
• ¼ cup Parmesan cheese, grated
• ½ teaspoon paprika (optional, for color)

Step-by-Step Preparation Method

Step 1: Cook the Noodles

1. Bring a large pot of salted water to a boil.
2. Cook egg noodles until al dente (about 1–2 minutes less than package directions).
3. Drain and set aside.

Step 2: Sauté Vegetables

1. In a large skillet, melt 2 tablespoons butter over medium heat.
2. Add onion and cook for 2–3 minutes until softened.
3. Add garlic and mushrooms; cook until mushrooms release moisture and turn golden (about 5–6 minutes).
4. Season lightly with salt, pepper, and thyme.

Step 3: Make the Creamy Sauce

1. Reduce heat to low.
2. Stir in cream of mushroom soup, milk, and sour cream.
3. Add cheddar cheese and stir until melted.
4. Taste and adjust seasoning as needed.

Step 4: Combine & Assemble

1. Preheat oven to 375°F (190°C).
2. In a large mixing bowl, combine cooked noodles, sauce mixture, tuna, and peas.
3. Transfer mixture to a greased 9×13-inch baking dish.

Step 5: Add Topping

1. In a small bowl, mix panko breadcrumbs, melted butter, Parmesan, and paprika.
2. Sprinkle evenly over casserole.

Step 6: Bake

1. Bake uncovered for 20–25 minutes, or until bubbly and topping is golden.
2. Let rest for 5 minutes before serving.

How to Serve

• Serve hot with a crisp green salad or steamed vegetables on the side.
• Pairs nicely with crusty bread for scooping up extra sauce.
• Add a sprinkle of fresh parsley for color.

Additional Recipe Tips & Variations

• Cheese Swap: Use Gruyère, mozzarella, or Monterey Jack for different flavor profiles.
• Extra Creamy: Stir in a splash of heavy cream before baking.
• Veggie Boost: Add broccoli florets, spinach, or corn.
• Crunch Twist: Replace panko with crushed potato chips or Ritz crackers.
• From Scratch: Replace canned soup with a homemade white sauce for a fresher taste.

Freezing & Storage

• Refrigeration: Store in an airtight container for up to 3–4 days.
• Freezing (Unbaked): Assemble casserole, wrap tightly in foil, and freeze for up to 2 months. Bake from frozen, adding 15–20 minutes to cooking time.
• Freezing (Baked): Cool completely, wrap well, and freeze for up to 2 months. Reheat covered at 350°F (175°C) until hot.

Special Equipment Needed

• Large pot (for noodles)
• Large skillet (for vegetables)
• 9×13-inch baking dish
• Mixing bowls

FAQ

Q: Can I use fresh tuna instead of canned?
Yes — cook fresh tuna steaks, flake them, and add in place of canned tuna.

Q: Can I make this gluten-free?
Yes — use gluten-free pasta and breadcrumbs, and ensure your soup base is gluten-free.

Q: Can I make this ahead of time?
Absolutely — assemble up to 24 hours ahead, cover, and refrigerate until ready to bake.

Q: My casserole seems dry — what went wrong?
You may have overcooked the noodles or baked too long. Keep pasta slightly underdone and watch baking time closely.

Conclusion

Tuna Noodle Casserole with Peas and Mushrooms is proof that a humble, budget-friendly dish can be rich, satisfying, and deeply comforting. With creamy sauce, tender noodles, sweet peas, and earthy mushrooms all baked under a crunchy golden topping, this recipe brings nostalgia to the table in the best way possible. Whether served for a casual family dinner or as a potluck favorite, it’s a dish worth coming back to again and again.