This tomato tuna pasta bake turns a few pantry cans and a box of pasta into a golden, bubbling dinner the whole family will happily finish. A quick garlicky tomato sauce, flaky tuna, and a blanket of melted mozzarella do all the work.
It is a budget friendly meal that needs very little prep, and the skillet doubles as the baking dish, so cleanup stays light. Keep the ingredients on hand and you can have dinner ready any night of the week.
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Why This Tomato Tuna Pasta Bake Recipe Works
The sauce comes from crushed tomatoes simmered with garlic, onion, and dried Italian herbs. A spoonful of tomato paste thickens it slightly and adds depth, and a pinch of sugar rounds out any sharp acidity.
Tuna packed in oil tastes richer and stays more tender than tuna packed in water. Folding it in gently at the end keeps it in big, satisfying flakes instead of mushy crumbs.
Undercooking the pasta by one minute is the key to a good bake. The noodles soak up sauce in the oven and finish cooking, so they never turn soft or dry.
Ingredients for Tomato Tuna Pasta Bake
- 1 tablespoon olive oil, plus 1 teaspoon for drizzling
- 2 cloves garlic, minced
- 1 small yellow onion, finely diced
- 28 ounces crushed tomatoes
- 1 tablespoon tomato paste
- 3/4 cup water
- 1 tablespoon dried Italian herbs
- 1/2 teaspoon kosher salt
- 1/2 teaspoon black pepper
- 15 ounces canned chunk tuna, drained, preferably packed in oil
- 7 ounces spiral pasta, or another short pasta
- 1 1/2 cups shredded mozzarella
- 1 tablespoon kosher salt for the pasta water
- 1 pinch sugar, if the sauce tastes sharp
Tuna: Choose chunk tuna in oil, drained well. Solid pack gives larger flakes, while chunk style breaks apart easily.
Crushed tomatoes: They give the sauce body without long cooking. Look for a can with no added flavorings.
Pasta: Spirals, penne, or rigatoni trap the sauce nicely. Cook it one minute shy of the package time.
Mozzarella: Shredded mozzarella melts into an even golden layer. Add a little cheddar for extra sharpness if you like.
Herbs: Dried Italian herbs bring familiar flavor. Basil, oregano, or thyme alone also work.
How to Make Tomato Tuna Pasta Bake
1. Heat the oven. Preheat the oven to 350 degrees F and set a rack in the middle.
2. Cook the pasta. Boil the pasta in salted water for 1 minute less than the package directions, then drain.
3. Start the sauce. Warm 1 tablespoon of olive oil in an oven safe skillet over medium high heat. Cook the garlic and onion for about 3 minutes, until golden.
4. Simmer. Stir in the crushed tomatoes, tomato paste, water, herbs, salt, and pepper. Simmer for about 5 minutes, stirring now and then, until thickened. Taste and add a pinch of sugar if the sauce seems sharp.
5. Fold in pasta and tuna. Turn off the heat. Stir in the pasta, then gently fold in the tuna so the flakes stay intact.
6. Top and bake. Drizzle with the remaining olive oil and scatter the mozzarella over the top. Bake for about 20 minutes, until golden and bubbling and hot in the center, 165 degrees F.
7. Rest. Let the bake stand for 3 minutes before serving so the sauce settles.
How to Serve Tomato Tuna Pasta Bake
Serve the bake straight from the skillet with a leafy Italian house salad and slices of mozzarella cheesy garlic bread for dipping. A side of air fryer broccoli with Parmesan adds greens, and a tall glass of strawberry pineapple mojito makes a bright finish for weekend dinners.
How to Store and Reheat Tomato Tuna Pasta Bake
Cool leftovers within 2 hours and refrigerate in an airtight container for up to 3 days. Reheat covered in a 350 degrees F oven or in the microwave until steaming hot, 165 degrees F. Freezing is not recommended because the tuna and pasta turn soft.
Tips and Variations for Tomato Tuna Pasta Bake
Drain the tuna well. Excess oil or liquid thins the sauce, so press the tuna gently in a sieve.
Taste before baking. Tuna and cheese are salty, so adjust seasoning at the end rather than early.
Add vegetables. Frozen peas, corn, or baby spinach stir in easily for extra color.
Try a crisp topping. Sprinkle panko mixed with a little olive oil over the cheese for crunch.
Use the broiler. Finish under the broiler for 1 to 2 minutes for deeper browning, watching closely.
Use any pan. If you lack an oven safe skillet, transfer everything to a 9 x 13 inch baking dish before baking.
Add heat. Red pepper flakes or a splash of hot sauce give the sauce a kick.
Mind food safety. Cool and chill leftovers quickly. The University of Wisconsin Extension leftovers guidance has simple tips.
Frequently Asked Questions About Tomato Tuna Pasta Bake
Can I make tomato tuna pasta bake ahead of time?
Yes. Assemble the dish without the cheese, cover, and refrigerate for up to a day. Add the mozzarella just before baking and allow a few extra minutes.
What kind of tuna is best for tomato tuna pasta bake?
Chunk tuna packed in oil gives the best flavor and texture. Tuna packed in water works if you drizzle in a little extra olive oil.
How do I keep tomato tuna pasta bake from drying out?
Undercook the pasta by one minute and keep the sauce slightly loose, since the noodles absorb liquid in the oven. Covering the dish loosely with foil for the first part of baking also helps.
Can I use fresh tomatoes?
Yes, but cook them down longer so the sauce thickens. Crushed canned tomatoes are more consistent and save time.
Can I add cheddar?
Sharp cheddar mixed with the mozzarella adds a bolder flavor and a deeper golden color.
Tomato Tuna Pasta Bake with Mozzarella
Equipment
- Large pot
- Oven-safe skillet
- Colander
Ingredients
Main Ingredients
- 1 tbsp olive oil
- 1 tsp olive oil for drizzling
- 2 cloves garlic minced
- 1 small yellow onion finely diced
- 28 oz crushed tomatoes
- 1 tbsp tomato paste
- ¾ cup water
- 1 tbsp dried Italian herbs
- ½ tsp kosher salt
- ½ tsp black pepper
- 15 oz canned chunk tuna drained, preferably packed in oil
- 7 oz spiral pasta
- 1 ½ cup shredded mozzarella
- 1 tbsp kosher salt for the pasta water
- 1 pinch sugar only if the sauce tastes sharp
Instructions
Cooking
- Boil. Cook the pasta in salted water for 1 minute less than directed and drain.
- Sauce. Soften the garlic and onion in oil for about 3 minutes, then simmer with the tomatoes, paste, water, herbs, salt, and pepper for 5 minutes.
- Combine. Off the heat, stir in the pasta and fold in the tuna in large flakes.
- Bake. Drizzle with oil, cover with mozzarella, and bake at 350 degrees F for about 20 minutes until golden and 165 degrees F in the center.
- Rest. Let it stand 3 minutes before serving.
