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Cheesy Tuna Casserole
5 from 18 votes

Cheesy Tuna Casserole

Cheesy Tuna Casserole combines pasta, tuna, and vegetables in a baked dish finished with melted cheese. This recipe offers a rich, comforting texture with the softness of cooked pasta, tender vegetables, and a cheesy topping that browns in the oven. The inclusion of tomatoes or a creamy mushroom soup base adds moisture and flavor, while seasonings like garlic and Italian herbs enhance the depth. It's suited as a hearty main course and incorporates practical steps such as cooking pasta al dente to maintain texture during baking.

Prep Time
5 mins
Cook Time
45 mins
Total Time
55 mins
Servings: 6
Calories: 403 kcal
Course: Main Course
Cuisine: Mediterranean, American

Ingredients

Tuna Casserole With Tomatoes
  • 10 ½ ounces pasta 300g
  • 1 tablespoon olive oil
  • 1 cup onion or 1 onion, peeled and diced, frozen, diced
  • 1 cup bell pepper or 1 fresh one, deseeded and diced, frozen diced
  • 1 teaspoon garlic minced
  • 1 teaspoon Greek seasoning or dried oregano
  • 28 ounces diced tomatoes 800g
  • 17 ounces tuna drained, 240g
  • 6 ounces mozzarella cheese shredded, 170g
Cheesy Tuna Casseole with Egg Noodles
  • 1 pound egg noodles dry, 453g
  • 1 onion diced
  • 1 celery diced, stalk
  • 1 tablespoon olive oil
  • 10 ounces tuna two 5-ounce cans, drained, 284g
  • 1 ⅓ cups cheddar cheese grated, 110g
  • ½ teaspoon Italian seasoning
  • ⅓ teaspoon salt
  • ⅓ teaspoon smoked paprika
  • ⅓ teaspoon garlic powder
  • ⅓ teaspoon black pepper
  • 10 ½ ounces cream of mushroom soup 1 can, 298g
  • ½ cup green peas frozen, 72g
  • ½ cup panko breadcrumbs 60g
  • 2 tablespoons parsley optional for garnish, chopped

Instructions

Tuna Casserole with Tomatoes
    Cup of Yum
  1. Preheat the oven to 400 degrees F / 200 degrees C.
  2. Cook the pasta according to the packet instructions until al dente.
  3. Heat the oil in a frying pan, add the onion and pepper cook for about 5 minutes, until soft.
  4. Stir in the garlic for 30 seconds until fragrant and mix in the diced tomatoes and simmer for 15 minutes.
  5. Remove from the heat, stir in the cooked pasta and tuna and transfer into a casserole dish.
  6. Add the cheese on top and bake for 20 minutes until the cheese is melted.
Cheesy Tuna Casserole with Green Peas
  1. Preheat the oven to 350 degrees F / 180 degrees C and cook the pasta according to the package directions.
  2. Heat olive oil in a medium skillet and sauté the onion and celery for 5-6 minutes, until tender.
  3. While the onions and celery cook, combine the pasta, tuna, 1 cup of cheese, salt and spices in a large bowl.
  4. Add in the onions and celery, green peas and mushroom soup and stir until well combined.
  5. Transfer the mixture to a 9x13 baking dish and bake, uncovered, for 20 minutes.
  6. Then top the casserole with the remaining cheese and breadcrumbs and bake for 10 minutes, or until the cheese in melted and the casserole is bubbly.
  7. If desired, garnish with fresh chopped parsley before serving.

Notes

  • Cook pasta to al dente as it will continue to soften during baking.
  • Drain tuna well; rinse if packed in oil to reduce excess grease.
  • Frozen peas can be added directly without thawing.
  • Cover casserole with foil during the first half of baking to keep it moist.
  • Broil the casserole for a few minutes at the end to achieve a golden crust.
  • Store leftovers in an airtight container in the refrigerator for up to three days.

Nutrition Information

Calories 403kcal (20%) Carbohydrates 47g (16%) Protein 30g (60%) Fat 10g (15%) Saturated Fat 4g (20%) Polyunsaturated Fat 1g (6%) Monounsaturated Fat 4g (20%) Trans Fat 0.002g (0%) Cholesterol 51mg (17%) Sodium 548mg (23%) Potassium 620mg (13%) Fiber 4g (16%) Sugar 7g (14%) Vitamin A 1176IU (24%) Vitamin C 46mg (51%) Calcium 223mg (22%) Iron 4mg (22%)

Nutrition Facts

Serving: 6 Serving

Amount Per Serving

Calories 403

% Daily Value*

Calories 403kcal 20%
Carbohydrates 47g 16%
Protein 30g 60%
Fat 10g 15%
Saturated Fat 4g 20%
Polyunsaturated Fat 1g 6%
Monounsaturated Fat 4g 20%
Trans Fat 0.002g 0%
Cholesterol 51mg 17%
Sodium 548mg 23%
Potassium 620mg 13%
Fiber 4g 16%
Sugar 7g 14%
Vitamin A 1176IU 24%
Vitamin C 46mg 51%
Calcium 223mg 22%
Iron 4mg 22%

* Percent Daily Values are based on a 2,000 calorie diet.