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Homemade Tuna Noodle Casserole

Homemade Tuna Noodle Casserole

Course Main Course
Cuisine American
Keyword easy-tuna-noodle-casserole, tuna casserole, tuna-noodle-casserole
Prep Time 15 minutes
Cook Time 40 minutes
Stand time 5 minutes
Total Time 1 hour
Servings 8 servings
Calories 651kcal


  • 12 oz wide egg noodles cooked al dente
  • 6 Tbsp salted or unsalted butter
  • 1 small onion diced
  • 1 rib celery diced
  • cup all purpose flour
  • 1 tsp salt
  • 1 tsp lemon pepper or black pepper
  • 1 tsp seafood seasoning i.e. Old Bay or your favorite
  • 1 tsp granulated garlic or garlic powder
  • ½ tsp onion powder
  • 4 cups whole milk or half and half
  • 3 cups shredded sharp white or regular cheddar cheese, Swiss or Gruyere divided
  • 3 6 oz cans tuna drained
  • 1-2 cups frozen petite peas adjust amount to your taste
  • 1 cup french fried onions crushed
  • fresh chopped chives or parsley for garnishing `optional


  • Preheat the oven to 350°F. Spray a 13 x 9 inch baking dish with cooking spray. Set aside.
  • Cook noodles per the package in salted water until al dente. Drain well.
  • Meanwhile in a deep large saucepan, cook together butter, celery and onion for 2 minutes over medium until softened. Add flour, stirring until absorbed to make a roux. Simmer 1 minute.
  • To the roux add salt, lemon pepper, seafood seasoning, garlic and onion powders. Mix well.
  • Increase heat to medium-high and gradually mix in milk. Stir until fully combined, bring to a boil. Immediately lower heat and allow to gently bubble for 5 minutes. Remove from heat, mix in 2 cups cheese until melted.
  • To the pot add noodles, tuna and peas. Mix well, and pour into baking dish. Sprinkle with remaining 1 cup cheese and fried onions.
  • Bake for 30-35 minutes or until golden and bubbly. Serve immediately garnished with fresh chives or parsley, if desired.


  • 2-3 cloves of minced fresh garlic may be simmered with the onion and celery in place of granulated garlic, if desired.
  • If you don't have lemon pepper, you may use the same amount of black pepper and add a splash of fresh lemon juice.


Serving: 1serving | Calories: 651kcal | Carbohydrates: 48g | Protein: 36g | Fat: 35g | Saturated Fat: 19g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 9g | Trans Fat: 1g | Cholesterol: 147mg | Sodium: 689mg | Potassium: 394mg | Fiber: 3g | Sugar: 9g | Vitamin A: 1125IU | Vitamin C: 8mg | Calcium: 670mg | Iron: 2mg