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scooping out tuna noodle casserole from baking dish
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5 from 5 votes

Tuna Noodle Casserole

This creamy, cheesy Tuna Noodle Casserole is a healthy weeknight dinner made without the use of canned soups! It's quick, easy and full of savory goodness.
Prep Time10 mins
Cook Time35 mins
Total Time45 mins
Course: Dinner
Cuisine: American
Keyword: best tuna noodle casserole, cheesy tuna noodle casserole, classic tuna noodle casserole, easy tuna noodle casserole, tuna noodle casserole, tuna noodle casserole recipe
Servings: 8
Calories: 407kcal


  • Stove
  • Oven


For the Casserole

  • 4 cups dry wide egg noodles
  • 4 tablespoons butter
  • 2 celery stalks, chopped
  • 1 small red bell pepper, diced
  • 1 small yellow onion, diced
  • 1 clove garlic, minced
  • 2/3 cup all-purpose flour
  • 1 teaspoon ground mustard, or 1 tablespoon dijon mustard
  • 1/2 teaspoon salt
  • 1/4 teaspoon fresh ground black pepper
  • 2 1/4 cups milk
  • 12 ounces can white tuna in water, drained and flaked into chunks
  • 4 ounces shredded cheddar cheese

For the Topping

  • 1 cup finely crushed ritz crackers, or panko crumbs
  • 4 tablespoons butter, melted


  • Preheat oven to 375˚F.
  • Grease a 9x13 baking dish with cooking spray and set aside.
  • Cook the noodles according to the directions on the package.
  • Drain noodles and return drained noodles back to the pot; set aside.
  • Melt the butter in a large saucepan or large deep skillet set over medium heat.
  • To the melted butter, add celery, peppers and onions; cook for 8 to 10 minutes or until vegetables are tender.
  • Stir in the garlic and cook for 20 seconds.
  • Stir in flour, mustard, salt and pepper.
  • Add milk; cook and stir until bubbly and thickened. Sauce will be thick.
  • Pour the sauce over the noodles.
  • Add flaked tuna and cheese to the noodles.
  • Gently fold and mix until everything is thoroughly combined.
  • Transfer tuna mixture to the baking dish; set aside.
  • In a mixing bowl, combine crushed ritz crackers and butter; sprinkle over the casserole.
  • Bake uncovered for 25 to 30 minutes, or until heated through.
  • Remove from oven and let stand for 5 to 8 minutes before serving.


Serve warm.


Calories: 407kcal | Carbohydrates: 33g | Protein: 21g | Fat: 21g | Saturated Fat: 12g | Cholesterol: 86mg | Sodium: 584mg | Potassium: 329mg | Fiber: 2g | Sugar: 6g | Vitamin A: 1089IU | Vitamin C: 20mg | Calcium: 214mg | Iron: 2mg