The Best Tuna Casserole Recipe

Tuna Casserole is pure, classic comfort food. Flaky tuna, tender noodles, and peas in a creamy, cheesy homemade sauce with a crunchy cracker crumb topping.

My easy Tuna casserole recipe is one of those dishes that you just can’t help but love. It ranks right up there with favorites like Slow Cooker Pot Roast and Cheesy Scalloped Potatoes. And the best part? I’m going to teach you how to make a tuna casserole without cream of mushroom soup!

Instead of the typical condensed canned soups, I make my own creamy sauce from scratch. It’s so easy, and just a couple of quick extra steps. Top the whole tuna noodle casserole with crushed crackers or breadcrumbs and bake until it’s warm and bubbly. Whip up some Cornbread Muffins and Sauteed Asparagus to serve with it.

Tuna Casserole Ingredients

• For the Cheese Sauce – Onion, butter, all-purpose flour, garlic powder, milk, Cheddar cheese and Parmesan cheese. Be sure to use fresh grated cheese for the best texture and flavor. Any kind of milk you have on hand is fine.
• Tuna – Just regular canned chunk light tuna from your pantry, preferably packed in water instead of oil.
• Small Pasta – Because it’s baked, I prefer to stick with a thicker pasta like rotini or macaroni. Egg noodles can get a little mushy.
• Peas – Easy peasy frozen peas.
• Sour Cream – Makes the sauce even creamier, and helps to keep it nice and smooth.
• For the Topping – Crushed Ritz crackers or Panko breadcrumbs, grated Parmesan cheese and minced parsley. Swap in potato chips for a fun touch.
• Salt and Pepper – Taste test your casserole after mixing and add more seasonings if needed.

How to Make a Tuna Noodle Casserole

1. Boil the noodles. Boil a pot of water and cook your pasta of choice to al dente. Be careful not to overcook because it will be baked later and you don’t want the noodles to become mushy.
2. Make the cheese sauce. Saute onions in butter over medium heat, then add flour and garlic powder to form the roux. Let that cook for a few minutes until it’s golden brown. Pour in some milk and bring it to a simmer (bubbling, but not a full rolling boil). Once it’s thickened, remove from the heat and stir in the cheeses. I recommend doing this in batches, starting with a handful of cheese and adding more as that melts.
3. Mix the casserole together. In a large bowl, or right into the dish or skillet you made the sauce in, add the cooked noodles, tuna, peas and sour cream. Stir it all together until it’s completely combined. If your skillet is oven proof, you can just top with the bread crumbs and bake it as is. Or, pour the tuna mixture into a casserole dish that you’ve greased with cooking spray and bake it that way.
4. Top with crackers and bake. In a small bowl, crush the crackers and stir in melted butter, Parm and parsley. Sprinkle all over the top of the casserole and bake it uncovered for about 20 minutes. Broil for a few minutes to brown the top.

FAQs

Serving Suggestions

For a prettier presentation, sprinkle some fresh minced parsley on top of the golden cracker crumbs.

For serving, you can whip up a crisp green Caesar Salad, or some Garlic Green Beans and some Easy Drop Biscuits to serve on the side.

Variations

Veggies – Not everyone likes peas, so you can replace them with another vegetable, or omit completely. Try adding Sauteed Mushrooms, steamed broccoli, or some Frozen Mixed Vegetables. Anything you add should be fully cooked first (sauteed or steamed).

Deluxe – For a fancy casserole, buy fresh tuna, bake it or pan-fry until it’s cooked to 145°F and flake it into small pieces. It will take your casserole to a whole other level!

Spicy – For a spicy casserole, add a couple teaspoons of sriracha to the sauce.

Storage and Reheating

Storage: For leftovers, tightly cover the casserole dish or transfer the leftovers to an airtight container. Keep refrigerated for up to 3-4 days.

Freezing: Freeze the cooked casserole for up to 6 months. Thaw completely before reheating.

Reheating: Reheat larger portions in the oven at 350℉ until heated through, and for individual portions reheat in the microwave for 60-90 seconds.

More Casserole Recipes to Love

• Skillet Garlic Chicken and Rice Casserole
• Chicken Cordon Bleu Casserole
• Cheesy Broccoli Casserole
• French Onion Chicken Casserole
• Turkey and Stuffing Casserole

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Tuna Casserole

Kristin Maxwell

Tuna Casserole is pure comfort food. Flaky tuna, tender noodles and peas in a creamy homemade sauce with a crunchy cracker crumb topping.

Prep Time 10 mins

Cook Time 28 mins

Total Time 48 mins

Print RecipePin RecipeReview Recipe

Course Dinner

Cuisine American

Servings 6 servings

Calories 582kcal

Ingredients

  

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Tuna Casserole

• ½ cup dice white onion
• 8 ounces small pasta like Rotini farfalle or macaroni
• 2 cups frozen peas
• 3 tablespoons butter
• 3 tablespoons all-purpose flour
• ½ teaspoon garlic powder
• 2 cups milk
• 1 teaspoon salt
• 1 cup freshly grated cheddar cheese
• ½ cup freshly grated Parmesan cheese
• ½ cup sour cream
• 10 ounces canned tuna water packed and drained

Topping

• 1 cup crushed Ritz crackers or panko breadcrumbs
• ½ cup grated Parmesan cheese
• Fresh minced parsley

Instructions

 

• In a large, deep, oven-safe skillet or saute pan (5-quart), melt butter, then add diced onion. Cook until onion is translucent and soft; about 3-4 minutes.
• Whisk in flour and garlic powder and cook for a couple of minutes or until flour is golden in color.
• Whisk in milk and bring to a boil. Reduce heat to low and stir often until thickened; 3-4 minutes. Turn off heat and stir in cheeses until melted. *Tip – if the sauce isn't creamy enough for you, add a few ounces of cream cheese; stir in until melted and combined.
• Meanwhile, boil water in a medium-sized pot and cook the pasta according to package directions. Add peas during the last minute or so. Drain and set aside.
• To the skillet, stir in pasta, peas and tuna. Stir in sour cream. (If you do not have an oven safe saute pan, transfer the mixture to a greased 11×7-inch baking dish).
• Combine crushed crackers with ½ cup grated parmesan and sprinkle on top of the casserole.
• Bake, uncovered at 350 degrees for 20 minutes. For additional browning, switch to broil during the last 5 minutes.
• Let stand 5-10 minutes before serving. Garnish with fresh minced parsley.

Notes

Storage: For leftovers, tightly cover the casserole dish or transfer the leftovers to an airtight container. Keep refrigerated for up to 3-4 days.

Freezing: Freeze the cooked casserole for up to 6 months. Thaw completely before reheating.

Reheating: Reheat larger portions in the oven at 350℉ until heated through, and for individual portions reheat in the microwave for 60-90 seconds.

Nutrition

Calories: 582kcalCarbohydrates: 53gProtein: 32gFat: 27gSaturated Fat: 15gPolyunsaturated Fat: 3gMonounsaturated Fat: 7gTrans Fat: 1gCholesterol: 85mgSodium: 1221mgPotassium: 470mgFiber: 5gSugar: 10gVitamin A: 2050IUVitamin C: 8mgCalcium: 487mgIron: 3mg

Keyword tuna casserole, tuna noodle casserole

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