Lighter Tuna Casserole Recipe

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Shelly Mckinney Modified: March 24, 2022
Lighter Tuna Casserole Recipe

How To Make Lighter Tuna Casserole

Enjoy a batch of this hearty and flavorful tuna casserole! It has notes of creaminess and delicious seasoning. Whip this up in just 1 hour.

Preparation: 10 minutes
Cooking: 50 minutes
Total: 1 hour



  • 8ozegg noodlesor no-yolk noodles
  • 1tbspbutteror olive oil
  • 1medium onionwhite or yellow, peeled and diced
  • 2large carrotspeeled and diced
  • 3garlic clovespeeled and minced
  • ¼cupall-purpose flour
  • cupchicken stock
  • cupmilk
  • 2tspItalian seasoninghomemade or store-bought
  • ½tspsalt
  • ¼tspfreshly-ground black pepper
  • 6ozbutton mushroomssliced
  • 1cupfrozen peas
  • 5oztuna in waterdrained
  • 1cupreduced-fat sharp cheddar cheeseshredded
  • 2tbsppanko breadcrumbs


  1. Preheat the oven to 400 degrees F.

  2. Cook the egg noodles al dente in a large pot of generously-salted water in a large stockpot according to package instructions.

  3. Drain and set aside.

  4. Melt the butter in a large sauté pan over medium-high heat.

  5. Add the onion and carrots, and sauté for 5 to 7 minutes, or until both are soft.

  6. Add the garlic, then sauté for 1 more minute until fragrant.

  7. Stir in the flour and cook for 1 minute.

  8. Whisk in the chicken stock until it is combined, then stir in the milk, Italian seasoning, salt, pepper, mushrooms, peas and tuna.

  9. Continue cooking, stirring occasionally, for 4 to 6 minutes, until the mixture reaches a simmer and thickens and the mushrooms are cooked.

  10. Add the sauce mixture to the drained noodles, then toss to combine.

  11. Stir in the cheddar cheese until it is evenly combined.

  12. Pour the noodles into a greased 9 x 13-inch baking pan.

  13. Sprinkle the panko breadcrumbs evenly on top of the pasta, then mist with some cooking spray.

  14. Bake for 18 to 20 minutes, or until the top of the pasta is slightly crispy and golden, and the filling is bubbly on the sides.

  15. Serve warm, and enjoy!


  • Calories: 291.09kcal
  • Fat: 10.72g
  • Saturated Fat: 5.52g
  • Trans Fat: 0.27g
  • Monounsaturated Fat: 2.78g
  • Polyunsaturated Fat: 0.99g
  • Carbohydrates: 32.70g
  • Fiber: 2.41g
  • Sugar: 5.50g
  • Protein: 16.29g
  • Cholesterol: 56.76mg
  • Sodium: 407.01mg
  • Calcium: 194.90mg
  • Potassium: 346.77mg
  • Iron: 2.48mg
  • Vitamin A: 102.61µg
  • Vitamin C: 5.05mg
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