Name: Tuna Noodle Casserole Recipe
Prep time: 20 min
Cook time: 45 min
Total time: 1 h 5 min
Cuisine: American
Ingredients: 10 ounces wide egg noodles (about 4 1/2 cups); 3 tablespoons unsalted butter; 3 cloves garlic (minced); 2 large shallots (diced); 2 tablespoons all-purpose flour; 3 1/2 cups half and half; 2 teaspoons Dijon mustard; 8 ounces shredded sharp white cheddar cheese (about 2 cups); 3 (5-ounce) cans tuna in water (drained); 1 cup frozen green peas (rinsed); Kosher salt and freshly ground black pepper (to taste); 2 tablespoons chopped fresh chives (for garnish); 1/3 cup Panko; 1/3 cup freshly grated Parmesan; 1 tablespoon lemon zest; 1 tablespoon olive oil

Jump to Recipe· 4.3 from 15 reviews

I absolutely adore this Tuna Noodle Casserole Recipe because it brings back cozy, nostalgic feelings of comfort food with a delightful twist. The creamy, cheesy sauce combined with tender noodles, flaky tuna, and sweet peas creates a harmony of flavors that always makes me smile. Every time I make this dish, I feel like I’m sharing a warm, satisfying hug with everyone at the table.

Why You'll Love This Tuna Noodle Casserole Recipe

What really sets this Tuna Noodle Casserole Recipe apart for me is its beautiful balance of flavors and textures. The sharp cheddar adds a rich, savory punch that mingles perfectly with the mild tuna and sweet peas. The careful layering of garlic, shallots, and Dijon mustard brings just the right amount of depth to the creamy, luscious sauce. I love how the crunchy, golden Panko and Parmesan topping contrasts with the tender noodles beneath—it’s just so irresistibly satisfying with every bite.

Aside from the taste, I find this recipe incredibly approachable and straightforward to prepare. Nothing feels complicated or overwhelming, and the ingredients are easy to find in any pantry or fridge. It’s one of those perfect go-to casseroles for busy weeknights, family gatherings, or even casual dinners with friends. I always feel proud serving it because it looks like I put a lot of effort in, yet it comes together so effortlessly. It’s truly a standout dish that feels both nostalgic and refreshingly delicious.

Ingredients You'll Need

The image shows a top view of various cooking ingredients arranged on a white marbled surface. There is a large glass bowl filled with green peas in the center left, next to a small glass bowl with chopped light purple shallots. Near the bottom, there is a clear glass jar with a yellow-brown mustard-like sauce and a small bowl with white flour. To the right, there is a pile of uncooked yellow egg noodles scattered loosely. Above the noodles, a can of light pink tuna with an open lid is visible beside some green chives laying flat. At the top right, a yellow lemon sits on the white marbled surface beside a wooden cutting board holding a metal cheese grater and shredded pale yellow cheese. A block of solid pale yellow cheese rests next to the shredded cheese on the board. A glass bottle with a white lid filled with clear liquid stands near the center bottom. photo taken with an iphone --ar 4:5 --v 7

The ingredient list for this Tuna Noodle Casserole Recipe is simple yet carefully selected to create a tune of textures and flavors that work together seamlessly. Each component adds something essential, from the tender noodles and creamy sauce to the bright, fresh garnish and crunchy topping.

Wide egg noodles: These hold sauce wonderfully and have a great bite in every mouthful.
Unsalted butter: Used to build the flavor base for the sauce with garlic and shallots.
Garlic and shallots: Essential aromatics that create a fragrant, savory depth.
All-purpose flour: To thicken the sauce to creamy, luscious perfection.
Half and half: Creates a rich and silky texture without being overly heavy.
Dijon mustard: Adds a subtle tang that balances the cheese and tuna beautifully.
Sharp white cheddar cheese: The star of the sauce that melts into creamy deliciousness.
Canned tuna in water: Provides protein and a flaky texture that’s mild and satisfying.
Frozen green peas: These pop with a hint of sweetness and vibrant color in every bite.
Kosher salt and pepper: To season and brighten the whole casserole.
Fresh chives: Adds a touch of freshness and color as a garnish.
Panko breadcrumbs: For that irresistible crunchy topping.
Parmesan cheese: Adds a nutty, salty complexity to the Panko crust.
Lemon zest: Brings a fresh citrus note that cuts through the richness.
Olive oil: Binds the topping ingredients and helps achieve a golden-brown finish.

Directions

Step 1: Begin by bringing a large pot of salted water to a rolling boil. Add the wide egg noodles and cook them according to the package instructions until they are just tender but still firm to the bite. Drain the noodles thoroughly to avoid a soggy casserole.

Step 2: While the noodles cook, preheat your oven to 400 degrees Fahrenheit so it’s ready to brown the casserole to perfection later on.

Step 3: Melt the butter in a Dutch oven over medium heat. Add the minced garlic and diced shallots and sauté, stirring often, until they release their beautiful aroma and soften, about 2 minutes. This step really builds the flavor foundation.

Step 4: Sprinkle in the flour and whisk continuously for about one minute. You want the flour lightly browned as this adds a lovely nutty undertone to your sauce.

Step 5: Slowly pour in the half and half while whisking and stir in the Dijon mustard. Continue stirring the mixture until it thickens slightly, which usually takes about 4 to 5 minutes—patience here pays off for a silky sauce.

Step 6: Remove the pot from heat and stir in the shredded sharp white cheddar cheese until it melts completely and the sauce becomes smooth and velvety.

Step 7: Fold in the cooked noodles, drained tuna, and the rinsed frozen peas. Season the mixture generously with kosher salt and freshly cracked black pepper to taste, making sure every bite will be flavorful.

Step 8: For the topping, combine the Panko, freshly grated Parmesan, lemon zest, and olive oil in a small bowl. Sprinkle this mixture evenly over the casserole for that perfect crunchy layer.

Step 9: Transfer the casserole dish or keep it in the Dutch oven if oven-safe, and bake at 400 degrees Fahrenheit for 25 to 30 minutes or until the top is a gorgeous golden brown and bubbly around the edges.

Step 10: Remove the casserole from the oven and let it rest for a few minutes. Garnish with chopped fresh chives before serving for a pop of color and mild onion freshness.

Servings and Timing

This Tuna Noodle Casserole Recipe makes about 6 hearty servings that are perfect for feeding a family or meal prepping. The prep time is around 15 minutes, where you’ll gather and prep your ingredients and cook the noodles. Cooking the sauce and assembling the casserole takes approximately 20 minutes. Finally, the casserole needs to bake for 25 to 30 minutes until golden and bubbly, giving a total time of about 1 hour and 5 minutes. Allow a few minutes resting time to settle before digging in.

How to Serve This Tuna Noodle Casserole Recipe

A top view of a pan filled with baked macaroni and cheese. The pasta is covered with a golden brown crispy crumb layer scattered with finely chopped green herbs. Underneath the crust, soft, creamy noodles can be seen slightly curled and layered throughout. The pan is round with two handles, sitting on a white marbled surface. Surrounding the pan are white plates, metal forks and knives, and two glasses of a light yellow drink with bubbles. A bottle of white wine is also visible near the bottom right corner. photo taken with an iphone --ar 4:5 --v 7

When I serve this Tuna Noodle Casserole, I love pairing it with a crisp, fresh green salad dressed lightly with lemon vinaigrette to brighten the palate and add some refreshing crispness. Roasted vegetables or a simple side of steamed broccoli also complement the creamy casserole beautifully, offering a nice balance between indulgence and veggies.

For presentation, I sprinkle on freshly chopped chives or even a little more Parmesan right before serving to add color and an inviting aroma. I often spoon generous portions onto plates, pairing each with a wedge of lemon on the side—it’s a small touch that lifts the entire meal with a zesty brightness.

In terms of drinks, I find a chilled glass of Sauvignon Blanc or a crisp sparkling water with lemon works wonderfully to balance the rich, cheesy flavors. This dish is ideal for family dinners, casual get-togethers, or even potlucks where everyone will appreciate a warm, hearty meal served hot and fresh from the oven.

Variations

I love experimenting with this Tuna Noodle Casserole Recipe to keep it exciting. One of my go-to swaps is to use gluten-free pasta and gluten-free flour to make this dish accessible for anyone avoiding gluten. The texture remains just as comforting, and the flavors still shine through.

If you want to try a different flavor twist, adding a touch of smoked paprika or a handful of sautéed mushrooms brings a lovely earthiness that changes the dynamic while keeping all the comfort intact. For a veggie-packed version, swapping the peas for a blend of steamed broccoli and carrots adds more color and nutrients.

For those who enjoy a crunchier top, I sometimes replace the Panko with crushed buttery crackers or even toasted breadcrumbs from day-old bread, giving a slightly different texture that’s equally delicious. If you want to switch up the protein, canned salmon or cooked shredded chicken both work wonderfully here too.

Storage and Reheating

Storing Leftovers

When I have leftovers, I make sure to cool the casserole completely before transferring it into airtight containers. Glass or BPA-free plastic containers with tight-fitting lids work best to keep the casserole fresh and prevent it from absorbing fridge odors. Stored this way, it usually keeps well in the refrigerator for up to 3 days without losing any of its comforting flavors.

Freezing

This casserole freezes beautifully when you want to make it ahead or save some for later. I recommend dividing the casserole into individual portions or placing it in a freezer-safe glass or metal baking dish for optimum results. Cover it tightly with plastic wrap and aluminum foil to prevent freezer burn. It stays good for up to 3 months frozen. When you’re ready, thaw it overnight in the fridge before reheating.

Reheating

To reheat leftovers, I prefer warming the casserole in a preheated oven at 350 degrees Fahrenheit to preserve the crispy topping and creamy interior. Cover loosely with foil to prevent the top from getting too brown too fast and heat for about 20 minutes or until bubbly and warmed through. Microwave reheating is quicker but can make the topping soggy; if you choose microwave, reheat in shorter bursts and finish under a broiler if you want to crisp up the top again.

FAQs

Can I use fresh tuna instead of canned tuna in this recipe?

While fresh tuna can be used, the texture and flavor will be quite different. Canned tuna provides a flaky, mild taste that melds perfectly into the casserole. If you want to use fresh tuna, I recommend searing it and flaking it carefully, but be mindful that it will add a meatier texture and may change cooking times slightly.

Is it possible to make this casserole dairy-free or vegan?

Absolutely! You can substitute the half and half with unsweetened plant-based milk like oat or cashew milk, and use dairy-free cheddar-style shreds and vegan butter alternatives. For the tuna, swap in chickpeas or a plant-based tuna substitute to keep that protein element, and use nutritional yeast in the topping for cheesy flavor.

What can I serve with Tuna Noodle Casserole to make a complete meal?

I recommend serving it alongside a simple green salad, sautéed greens like spinach, or roasted vegetables to add freshness and nutrients. A crusty bread roll on the side also complements the creamy casserole nicely, perfect for mopping up any luscious sauce left on the plate.

How can I prevent the casserole from becoming soggy?

To avoid sogginess, be sure to drain your noodles well and not overcook them before mixing. Also, ensure the tuna is fully drained and the sauce is thick enough before baking. Finally, the crunchy Panko topping seals the moisture inside while keeping the top delightfully crisp.

Can I prepare this casserole in advance?

Yes, this recipe is fantastic for make-ahead meals. You can assemble the casserole and store it covered in the fridge for up to 24 hours before baking. This allows the flavors to meld even more. Just add extra baking time if you’re taking it straight from the fridge to oven.

Conclusion

If you’re looking for a comforting, crowd-pleasing dish that feels like a warm hug from the inside out, I wholeheartedly encourage you to try this Tuna Noodle Casserole Recipe. It’s simple to make, packed with layered flavors, and perfect for almost any occasion. Trust me, once you give it a go, it will quickly become one of your favorite go-to recipes too.