Name: Easy Tuna Casserole
Prep time: 10 min
Cook time: 25 min
Total time: 35 min
Ingredients: 2 cups elbow macaroni (or any short pasta); 2 cans (5 oz each) tuna, drained and flaked; 1 can (10.5 oz) cream of mushroom soup; 1 cup milk; 1 1/2 cups shredded cheddar cheese; 1 cup frozen peas; 1/2 teaspoon salt; 1/4 teaspoon black pepper; 1/2 cup breadcrumbs; 2 tablespoons butter, melted

There’s something undeniably comforting about a warm, cheesy, and creamy tuna casserole. I’ve been making this dish for years, and it never fails to bring back memories of family dinners around the table. It’s a simple yet hearty meal that combines pantry staples into a satisfying and budget-friendly dish.

What I love most about this recipe is how effortlessly it comes together. With tender pasta, flaked tuna, creamy sauce, and a golden, crispy topping, every bite is packed with deliciousness. Whether you’re looking for a quick weeknight dinner or a nostalgic meal that reminds you of home, this Easy Tuna Casserole is the perfect go-to dish.

Why You’ll Love This Easy Tuna Casserole

Quick & Easy – It comes together in under an hour with minimal prep.
Budget-Friendly – Uses simple pantry staples like canned tuna and pasta.
Family Favorite – A creamy, cheesy dish that both kids and adults love.
Great for Leftovers – Reheats beautifully, making it perfect for meal prep.
Customizable – Add your favorite veggies, cheeses, or seasonings.

What Kind of Pasta Should I Use?

For this tuna casserole, I recommend using short pasta shapes that hold the creamy sauce well. Elbow macaroni, rotini, penne, or egg noodles are all great choices. They provide the perfect texture and ensure every bite is packed with flavor. If you prefer whole wheat or gluten-free pasta, those can be substituted as well—just be sure to cook them al dente so they don’t become too soft when baked.

Options for Substitutions

One of the best things about this easy tuna casserole is its flexibility. You can easily swap out ingredients based on what you have on hand or your dietary preferences.

Tuna Alternatives: Not a fan of tuna? Try canned salmon, shredded chicken, or even cooked ground turkey.
Pasta Substitutes: Swap regular pasta for whole wheat, gluten-free, or even low-carb alternatives like zucchini noodles.
Dairy-Free Option: Use a dairy-free cheese and a plant-based milk alternative for a creamy yet lactose-free dish.
Veggie Additions: Add mushrooms, bell peppers, spinach, or broccoli for extra nutrients and texture.
Different Cheese: Cheddar is a classic, but you can mix it up with mozzarella, Monterey Jack, or even Parmesan for a different flavor profile.
Topping Variations: Instead of breadcrumbs, try crushed crackers, panko, or even crispy fried onions for a different crunch.

Ingredients for This Easy Tuna Casserole

Each ingredient plays an essential role in making this tuna casserole creamy, flavorful, and perfectly textured.

Pasta – A sturdy pasta like elbow macaroni, rotini, or egg noodles holds up well in the creamy sauce.
Canned Tuna – The star of the dish, adding protein and a mild seafood flavor. Use tuna packed in water for a lighter taste or in oil for extra richness.
Cream of Mushroom Soup – The base of the creamy sauce, adding a savory depth of flavor. You can also use cream of chicken or a homemade white sauce.
Milk – Helps to thin out the soup and create a smooth, creamy texture.
Cheese – Sharp cheddar adds a deliciously melty and cheesy bite, but you can mix in mozzarella, Monterey Jack, or Parmesan for extra flavor.
Frozen Peas – A classic addition that adds sweetness and a pop of color. Feel free to swap with mixed vegetables or leave them out if preferred.
Breadcrumbs – Provides a crispy, golden topping that contrasts beautifully with the creamy filling.
Butter – Used to coat the breadcrumbs for a rich, crunchy finish.
Salt & Pepper – Simple seasonings that enhance all the flavors in the dish.

Step 1: Cook the Pasta

Bring a large pot of salted water to a boil and cook the pasta until al dente, according to the package instructions. Drain well and set aside.

Step 2: Prepare the Creamy Sauce

In a large mixing bowl, combine the cream of mushroom soup, milk, and shredded cheese. Stir until well blended. Season with salt and pepper to taste.

Step 3: Add the Tuna and Vegetables

Drain the canned tuna and gently flake it into the sauce mixture. Add the frozen peas (or any other veggies you’re using) and stir until everything is evenly coated.

Step 4: Mix Everything Together

Add the cooked pasta to the bowl and gently toss everything together until the pasta is fully coated in the creamy sauce.

Step 5: Transfer to a Baking Dish

Grease a casserole dish and pour in the pasta mixture, spreading it evenly across the dish.

Step 6: Add the Crunchy Topping

In a small bowl, mix the breadcrumbs with melted butter. Sprinkle this mixture evenly over the casserole for a crispy golden crust.

Step 7: Bake Until Golden

Preheat the oven to 375°F (190°C). Bake the casserole uncovered for 20-25 minutes, or until the top is golden brown and bubbly.

How Long to Cook the Easy Tuna Casserole

This casserole bakes in a 375°F (190°C) oven for 20-25 minutes. The goal is to heat everything through while allowing the top to become golden and crispy. If you prefer an extra crispy topping, you can broil it for the last 2-3 minutes—just keep a close eye on it to prevent burning.

Tips for a Perfect Easy Tuna Casserole

Undercook the Pasta Slightly – Since the pasta continues to cook in the oven, boil it just until al dente to avoid a mushy texture.
Drain the Tuna Well – Excess liquid can make the casserole too watery, so be sure to fully drain the tuna before adding it to the mix.
Use Freshly Grated Cheese – Pre-shredded cheese contains anti-caking agents that prevent it from melting smoothly. For a creamier sauce, grate your own cheese.
Don’t Skip the Buttered Breadcrumbs – This simple topping adds a delicious crunch that balances out the creamy texture of the casserole.
Let It Rest Before Serving – Allow the casserole to sit for about 5 minutes after baking so the sauce can thicken up before scooping.
Make It Extra Cheesy – For an ultra-cheesy casserole, mix some extra shredded cheese into the pasta before baking.
Customize with Your Favorite Veggies – While peas are a classic choice, mushrooms, bell peppers, or spinach can add even more flavor and nutrition.

With these tips, you’ll get a perfectly creamy, cheesy, and crispy tuna casserole every time!

Watch Out for These Mistakes While Cooking

Even though this tuna casserole is easy to make, a few common mistakes can affect the final result. Here’s what to avoid:

Overcooking the Pasta – Pasta that’s too soft before baking can turn mushy in the oven. Cook it just until al dente.
Using Too Much Liquid – Stick to the recommended amount of milk and soup to avoid a runny casserole.
Skipping the Topping – The crispy breadcrumb topping adds texture—don’t leave it out!
Forgetting to Season – While the soup and cheese provide some saltiness, adding a little extra seasoning enhances the overall flavor.
Baking Too Long – Overbaking can dry out the casserole. Once it’s golden and bubbly, it’s ready.
Not Draining the Tuna – Extra liquid from the tuna can make the casserole too wet. Be sure to drain it well.
Using Pre-Shredded Cheese – Freshly grated cheese melts smoother and gives a richer flavor.
Serving It Too Soon – Letting it rest for a few minutes after baking helps the sauce set up properly.

What to Serve With Easy Tuna Casserole

Tuna casserole is a hearty dish, but pairing it with the right sides makes it even better. Here are some great options:

1. Garlic Bread

A slice of crispy garlic bread is perfect for soaking up the creamy sauce.

2. Side Salad

A fresh green salad with a light vinaigrette balances out the richness of the casserole.

3. Steamed Broccoli

A simple, nutritious side that complements the cheesy flavors.

4. Roasted Vegetables

Carrots, zucchini, or Brussels sprouts add a delicious roasted sweetness.

5. Pickles or Coleslaw

The tanginess of pickles or a crunchy slaw cuts through the creaminess.

6. Sauteed Green Beans

A quick and tasty vegetable side that pairs well with the casserole.

7. Mashed Potatoes

For an extra comforting meal, serve the casserole with creamy mashed potatoes.

8. Fruit Salad

A light fruit salad with citrus or berries adds a refreshing contrast.

These sides round out the meal, making your tuna casserole dinner even more satisfying!

Storage Instructions

Refrigeration:

Store leftover tuna casserole in an airtight container in the refrigerator for up to 3 days. When reheating, add a splash of milk to maintain its creamy texture and warm it in the microwave or oven at 350°F (175°C) for 15-20 minutes.

Freezing:

This casserole freezes well! To freeze, let it cool completely, then wrap it tightly with plastic wrap and aluminum foil. Store it in the freezer for up to 3 months. When ready to eat, thaw it overnight in the fridge and reheat in the oven at 375°F (190°C) for 25-30 minutes.

Make-Ahead Option:

Assemble the casserole, cover it tightly, and store it in the fridge for up to 24 hours before baking. When ready to cook, bake as directed, adding an extra 5-10 minutes if needed.

Estimated Nutrition

Here’s an approximate breakdown per serving (based on 6 servings):

Calories: 400-450 kcal
Protein: 25g
Carbohydrates: 45g
Fat: 15g
Saturated Fat: 7g
Cholesterol: 40mg
Fiber: 3g
Sodium: 700mg

Note: Nutritional values may vary based on specific ingredients and portion sizes.

Frequently Asked Questions

1. Can I use fresh tuna instead of canned?

Yes! If using fresh tuna, cook and flake it before adding it to the casserole. Grilled or baked tuna works best.

2. Can I make this casserole without soup?

Absolutely! Replace the cream of mushroom soup with a homemade white sauce made from butter, flour, and milk for a fresher taste.

3. How do I make the casserole extra creamy?

Add a little extra milk, stir in sour cream, or mix in an extra handful of shredded cheese before baking.

4. Can I add more vegetables?

Yes! Mushrooms, bell peppers, carrots, or spinach are great additions. Just sauté them first to remove excess moisture.

5. What’s the best way to reheat tuna casserole?

For best results, reheat it in the oven at 350°F (175°C) for about 15-20 minutes. Adding a splash of milk before reheating helps maintain creaminess.

6. Can I use a different type of cheese?

Of course! Sharp cheddar is traditional, but Monterey Jack, mozzarella, or even Parmesan can be used for variety.

7. Can I make this gluten-free?

Yes! Use gluten-free pasta and replace the breadcrumbs with a gluten-free alternative or crushed gluten-free crackers.

8. How do I prevent the casserole from drying out?

Make sure not to overbake it and cover it loosely with foil if reheating. Adding a bit of extra cheese or milk before reheating also helps.

Conclusion

This Easy Tuna Casserole is a comforting, budget-friendly dish that’s perfect for busy weeknights. Whether you make it ahead, freeze it for later, or enjoy it fresh out of the oven, it’s a guaranteed family favorite. If you love this recipe, don’t forget to save it on Pinterest and share it with friends and family!