Best Tuna Casserole Recipe

There’s something incredibly comforting about a dish that’s been a part of family dinners for generations. Tuna casserole is one such staple—a warm, creamy, and filling meal that brings back memories of home-cooked dinners, especially during chilly evenings. With its budget-friendly ingredients and ease of preparation, it continues to be a favorite in households worldwide.

A Brief History of Tuna Casserole

Tuna casserole became popular in American kitchens during the 1950s, an era defined by convenience foods and casseroles. With canned tuna and condensed soup widely available, homemakers could prepare this hearty meal quickly and affordably. It later gained traction in other countries like Australia, where a similar version is known as tuna mornay, and in Finland as tonnikalavuoka.

Over the years, the recipe has evolved—adapting to dietary preferences and culinary creativity. But at its core, the dish has remained a symbol of affordable comfort.

Ingredients for Classic Tuna Casserole

Here’s what you’ll need for a classic 9×13-inch baking dish, serving 6 to 8 people:

Ingredients:

• 3 cups egg noodles (uncooked)
• 2 cans (5 oz each) of tuna in water, drained
• 1 can (10.5 oz) cream of mushroom soup
• 1/2 cup milk (preferably whole or 2%)
• 1 cup frozen peas (or canned, drained)
• 1 cup shredded cheddar cheese
• 1/2 cup grated Parmesan cheese (optional)
• 1/2 cup chopped onion (optional but recommended)
• 1 tbsp butter (for sautéing onions, optional)
• 1 cup crushed potato chips or buttered breadcrumbs (for topping)
• Salt and pepper to taste
• 1/4 tsp garlic powder (optional)
• 1/4 tsp paprika (for color and subtle flavor)

How to Make Tuna Casserole (Step-by-Step)

Step 1: Preheat the Oven

Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish with butter or non-stick spray.

Step 2: Cook the Noodles

Boil 3 cups of egg noodles in salted water until just al dente (about 6 minutes). Drain and set aside.

Step 3: Sauté Onions (Optional)

If using onions, heat 1 tbsp butter in a skillet and sauté 1/2 cup chopped onion until translucent. This adds depth of flavor.

Step 4: Prepare the Sauce

In a large mixing bowl, combine:

• 1 can cream of mushroom soup
• 1/2 cup milk
• 1 cup shredded cheddar cheese
• Garlic powder, salt, pepper, and paprika

Mix well until smooth.

Step 5: Combine Everything

Add the cooked noodles, drained tuna, peas, and sautéed onions to the bowl. Mix until all ingredients are well coated.

Step 6: Assemble the Casserole

Pour the mixture into the greased baking dish. Spread evenly. Top with 1/2 cup grated Parmesan cheese (if using) and a layer of crushed potato chips or buttered breadcrumbs.

Step 7: Bake

Bake uncovered at 375°F for 25–30 minutes, or until the top is golden and bubbly.

Popular Variations

Tuna casserole is endlessly customizable. Here are a few popular variations:

• Stovetop Tuna Casserole: Skip the baking by heating the combined mixture in a pot until warmed through.
• Healthy Version: Use whole wheat pasta, low-fat milk, and reduce cheese.
• Spicy Kick: Add diced jalapeños or a teaspoon of hot sauce to the mixture.
• Mediterranean Style: Add olives, sun-dried tomatoes, and feta instead of cheddar.
• Gluten-Free: Use gluten-free noodles and make your own sauce from scratch using gluten-free flour.

Tips for the Perfect Tuna Casserole

• Don’t overcook the pasta: It will continue cooking in the oven.
• Use good-quality tuna: Albacore offers a meatier texture.
• Balance creaminess: If it looks too thick before baking, add a splash more milk.
• Crunchy topping = win: Potato chips are classic, but try panko mixed with melted butter for a gourmet feel.
• Add extra vegetables: Broccoli, mushrooms, or spinach can elevate the nutrition and flavor.

Serving Suggestions

Tuna casserole pairs beautifully with simple sides. Try these combinations:

• Fresh green salad with vinaigrette
• Garlic bread or warm dinner rolls
• Roasted carrots or asparagus
• Chilled white wine or sparkling lemonade

Frequently Asked Questions

Q1: Can I make tuna casserole ahead of time?

Yes! Assemble everything and store in the fridge (covered) for up to 24 hours before baking. You may need to add 5–10 minutes to the baking time.

Q2: How do I prevent it from drying out?

Ensure there’s enough liquid (soup and milk). Also, cover it with foil for the first 15 minutes of baking if it looks dry.

Q3: Can I freeze tuna casserole?

Absolutely. Let it cool completely, wrap tightly in foil or a freezer-safe container, and freeze for up to 3 months. Thaw overnight and reheat at 350°F until warm.

Q4: What are alternatives to canned tuna?

You can use cooked chicken, canned salmon, or even chickpeas for a vegetarian twist.

Q5: How should I reheat leftovers?

Microwave single portions for 2–3 minutes, or reheat in the oven at 350°F for 15–20 minutes covered with foil.

Conclusion

Tuna casserole stands the test of time because it’s simple, satisfying, and adaptable. Whether you stick with the traditional recipe or spice it up with a personal twist, this dish is sure to deliver warmth and flavor in every bite. Give it a try, and you might just find yourself adding it to your weekly meal rotation.

For more creative ideas, check out this Easy One Pot Turmeric Chicken and Rice Recipe.