This Tomato and Tuna Pasta Bake is a simple, satisfying comfort food recipe perfect for busy weeknights. Tender pasta is combined with flaked tuna, rich tomato sauce, and melted cheese, then baked until bubbly and golden on top. This family-friendly dish is quick to assemble, full of flavor, and makes a hearty dinner that everyone will love.
Why You’ll Love This Recipe
- Quick and easy weeknight dinner
- Family-friendly and filling
- Packed with protein from tuna
- Cheesy and comforting with tomato flavor
- Can be prepared ahead and baked later
- Perfect for meal prep or leftovers
Ingredients

- 12 oz (340 g) pasta (penne or fusilli)
- 2 tablespoons olive oil
- 1 medium onion, finely chopped
- 2 cloves garlic, minced
- 1 can (14 oz / 400 g) crushed tomatoes
- 1 teaspoon dried oregano
- 1 teaspoon dried basil
- Salt and pepper, to taste
- 2 cans (5 oz / 140 g each) tuna in water, drained
- 1 cup shredded mozzarella cheese
- 1/2 cup grated Parmesan cheese
- Optional: chopped fresh parsley for garnish
Step-by-Step Instructions

- Preheat oven to 375°F (190°C) and grease a 9×13-inch baking dish.
- Cook pasta according to package instructions until al dente. Drain and set aside.
- Heat olive oil in a skillet over medium heat. Sauté onion and garlic until soft and fragrant.
- Add crushed tomatoes, oregano, basil, salt, and pepper. Simmer for 5–7 minutes.
- Remove from heat and stir in drained tuna.
- Combine cooked pasta with the tomato-tuna sauce, mixing gently.
- Transfer the mixture to the prepared baking dish.
- Sprinkle mozzarella and Parmesan evenly on top.
- Bake uncovered for 20–25 minutes, until cheese is melted and golden.
- Garnish with fresh parsley before serving.
Tips & Variations
- Use whole wheat pasta for a healthier version.
- Swap mozzarella for cheddar or a mix of cheeses.
- Add vegetables like peas, bell peppers, or spinach for extra nutrients.
- Prepare ahead and refrigerate before baking; bake when ready to serve.
- Use tuna in olive oil for richer flavor.
Storage & Freezer Instructions
- Store leftovers in an airtight container in the fridge for up to 3 days.
- Freeze unbaked pasta mixture in a freezer-safe dish for up to 2 months; bake from frozen, adding 5–10 minutes.
- Reheat baked portions in the oven or microwave until warm.
Serving & Pairing Ideas

- Serve with garlic bread or a fresh green salad.
- Sprinkle extra Parmesan or chili flakes for added flavor.
- Great for meal prep; portion and pack for lunches.
Frequently Asked Questions
Can I use fresh tomatoes instead of canned?
Yes, use about 4–5 medium tomatoes, peeled and crushed. Simmer slightly longer to thicken the sauce.
Can I make this recipe ahead of time?
Absolutely. Assemble the pasta bake in advance, cover, and refrigerate. Bake when ready.
Can I use tuna in olive oil instead of water?
Yes, it adds richer flavor, but adjust salt as needed.
Can I add other proteins or vegetables?
Yes, cooked chicken, shrimp, or vegetables like peas, zucchini, or bell peppers can be added.
Ready to Make It?
This Tomato and Tuna Pasta Bake is comforting, cheesy, and protein-packed. Quick to prepare and family-approved, it’s a weeknight hero that never disappoints. Save this recipe for a reliable, flavorful, one-dish dinner option.
You Might Also Like
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- Mac and Cheese Bites – Perfect cheesy snack or appetizer.
Tomato and Tuna Pasta Bake
- Total Time: 35 minutes
- Yield: 4–6 servings 1x
Description
Cheesy and comforting tomato and tuna pasta bake. Quick, family-friendly, and perfect for weeknight dinners.
Ingredients
12 oz pasta
2 tablespoons olive oil
1 medium onion, chopped
2 cloves garlic, minced
1 can crushed tomatoes
1 teaspoon dried oregano
1 teaspoon dried basil
Salt and pepper
2 cans tuna in water, drained
1 cup shredded mozzarella
1/2 cup grated Parmesan
Optional: fresh parsley
Instructions
1. Preheat oven and grease baking dish.
2. Cook pasta until al dente.
3. Sauté onion and garlic in olive oil.
4. Add tomatoes, herbs, salt, and pepper; simmer.
5. Stir in tuna.
6. Combine pasta with sauce.
7. Transfer to baking dish.
8. Top with cheeses.
9. Bake until bubbly and golden.
10. Garnish with parsley.
Notes
Use whole wheat pasta for healthier option.
Add vegetables for extra nutrients.
Prepare ahead and refrigerate before baking.
- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Category: Main Course
- Method: Baking
- Cuisine: Italian
Nutrition
- Serving Size: 1 portion
- Calories: 380
- Sugar: 6
- Sodium: 450
- Fat: 12
- Saturated Fat: 5
- Unsaturated Fat: 5
- Trans Fat: 0
- Carbohydrates: 48
- Fiber: 4
- Protein: 25
- Cholesterol: 40