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Zesty Italian Tuna Casserole


Stewed tomatoes give zest to this Italian tuna casserole covered in melted mozzarella cheese and loaded with tuna and mushrooms.

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Rate this recipe 4.7/5 (9 Votes)


  • 1 can or 2 packages chunk tuna
  • 2/3 cup small or thin pasta
  • 2 teaspoons olive oil
  • 1/2 cup onion, finely chopped
  • 2 1/2 teaspoons garlic, minced
  • 1/2 cup mushrooms, sliced
  • 1 can stewed tomatoes
  • 1/4 cup plus 2 tablespoons mozzarella cheese, divided
  • Red pepper flakes, to taste


Servings 6
Preparation time 15mins
Cooking time 30mins


Step 1

Preheat oven to 350°F. Cook pasta to package directions and drain.

Heat olive oil in small skillet. Sauté onions and garlic for about 5 minutes. Add mushrooms and sauté an additional 3 to 4 minutes until softened.

Mix in tuna, tomatoes, red peppers, pasta and 1/4 cup of cheese. Spoon into small baking dish and bake for 10 minutes.

Sprinkle with additional cheese and return to oven for another 5 minutes to melt cheese.

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