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Classic Tuna Casserole

A creamy, cheesy tuna casserole that’s comfort in a dish—classic, easy, and always a crowd-pleaser.
Prep Time10 minutes
Cook Time30 minutes
Servings6
Calories: 450kcal

Ingredients

Pasta and Tuna

  • 8 oz pasta egg noodles, shells, or your favorite
  • 12 oz can Albacore tuna or your favorite tuna

Vegetables

  • 1 small onion diced
  • 2 garlic cloves minced
  • 2 small ribs celery or 1 tsp celery seed or omit

Sauce

  • 4 Tbsp butter
  • 4 Tbsp flour
  • 4 cups milk
  • 1 tsp dry mustard
  • ¼ tsp garlic powder
  • 2 ½ cups cheese or more to taste
  • Salt and pepper to taste

Topping

  • 1 cup breadcrumbs I used Panko
  • Optional: buttered crackers Ritz, Saltines or potato chips

Instructions

  • Cook pasta until al dente. Drain and set aside.
  • Sauté onion and celery in butter until soft. Add garlic and cook for 1 minute.
  • In a saucepan, melt butter. Whisk in flour and cook until golden, 1–2 minutes.
  • Gradually whisk in milk. Add dry mustard, garlic powder, salt, pepper, and cheese. Stir until thickened.
  • In a large bowl, combine pasta, sautéed vegetables, and sauce. Mix well.
  • Transfer to a baking dish. Top with breadcrumbs, crackers, or chips.
  • Bake at 350°F for 25–30 minutes, until bubbly and golden.

Notes

Optional Add-ins: Peas, carrots, or other small cooked vegetables.