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Tuna Casserole Recipe

Tuna casserole is a classic American comfort dish combining protein-packed tuna, tender pasta, a creamy mushroom sauce, and a crispy breadcrumb topping. Perfect for a satisfying lunch, this versatile recipe is easy to customize with gluten-free, dairy-free, or gourmet variations.
5 from 1 vote
Prep Time 15 minutes
Cook Time 25 minutes
5 minutes
Total Time 45 minutes
Course Main Course
Cuisine American
Servings 4 peoples
Calories 350 kcal

Equipment

  • Large pot for boiling pasta.
  • Skillet for sautéing onions.
  • Mixing bowls (medium and large).
  • 9x13-inch baking dish (or similar size).
  • Wooden spoon or spatula for stirring
  • Measuring Cups and Spoons
  • Whisk for mixing the creamy sauce.
  • Oven mitts to safely handle the baking dish.
  • Aluminum foil (if reheating or covering leftovers).

Ingredients
  

For the Casserole Base

  • 2 cups Elbow macaroni (or any short pasta)
  • 2 cans Tuna, drained
  • 1 medium Onion, finely chopped
  • 2 cups Frozen peas
  • 1 cup Shredded cheddar cheese
  • 1 can Cream of mushroom soup
  • 1 cup Whole milk (or almond milk as an alternative)
  • é tablespoons Unsalted butter

For the Topping

  • 1 cup Breadcrumbs (panko works great!)
  • ½ cup Grated Parmesan cheese
  • 2 tablespoons Melted butter
  • 1 teaspoon Garlic powder
  • 1 teaspoon Dried parsley

Instructions
 

Preheat and Prepare

  • Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish with cooking spray or butter.

Cook the Pasta

  • Boil salted water and cook elbow macaroni until al dente. Drain and set aside.

Sauté the Onions

  • Melt butter in a skillet over medium heat. Add chopped onion and sauté until soft and translucent (4–5 minutes).

Make the Creamy Mixture

  • In a large bowl, whisk together cream of mushroom soup, milk, and garlic powder. Fold in cooked pasta, sautéed onions, frozen peas, cheddar cheese, and drained tuna until combined.

Assemble the Casserole

  • Add the mixed food to the baking dish with oil before baking and distribute it evenly throughout the bottom.

Add the Topping

  • In a bowl, mix breadcrumbs, Parmesan cheese, melted butter, and parsley. Spread evenly over the casserole.

Bake to Perfection

  • Bake uncovered for 25–30 minutes, until the top is golden and crispy.

Serve and Enjoy

  • Let the casserole cool for 5 minutes before serving. Garnish with parsley, if desired, and enjoy!

Video

Keyword Tuna Casserole, Tuna Casserole recipe