Name: Stuffed Tomatoes with Tuna Recipe
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Cuisine: Mediterranean
Ingredients: 4 large tomatoes (beefsteak, on the vine, or heirloom) (about 2 lbs); 1 teaspoon kosher salt, divided; Extra virgin olive oil (for greasing the pan and 1 tablespoon for cooking); 1 small white or yellow onion, diced; 2 cloves garlic, minced; 2 (5-ounce) cans quality tuna packed in olive oil, drained and roughly flaked; 1/4 cup chopped green olives; 2 tablespoons finely chopped fresh parsley; 1 tablespoon lemon juice; Black pepper, to taste

Jump to Recipe· 3.9 from 67 reviews

If you are looking for a bright, flavorful, and surprisingly easy dish to elevate your lunch or dinner, this Stuffed Tomatoes with Tuna Recipe is a must-try. Juicy tomatoes filled with a savory, zesty tuna mixture create a perfect balance of freshness and heartiness that feels both comforting and sophisticated. This recipe effortlessly combines simple pantry staples into a dish that looks elegant and tastes like a special occasion treat, making it one of my favorite go-to meals when I want something quick yet impressive.

Ingredients You’ll Need

The image shows ingredients laid out on a white marbled surface, ready for a dish. There are four whole red tomatoes and one darker, almost brown tomato, arranged near the center. A bunch of fresh green parsley is placed behind the tomatoes. To the right, a white bowl filled with light pink shredded tuna sits next to a white bowl of green pitted olives. Lemon halves are positioned in the top right corner above a small clear bowl holding a pale liquid. On the left side, a yellow plate holds white garlic cloves and a small bowl of black pepper. Below the tomatoes, there is a whole yellow onion, a small dish of coarse salt, and a small clear bowl with golden olive oil. photo taken with an iphone --ar 4:5 --v 7

This recipe shines because of how straightforward and essential the ingredients are. Each component brings its own unique texture, color, and flavor to the dish, turning humble ingredients into a deliciously memorable meal.

Extra virgin olive oil: Adds a rich, fruity base and helps soften the onions to build flavor.
4 large tomatoes (beefsteak, vine, or heirloom): Provides bright color and juicy sweetness that act as both vessel and star of the dish.
Kosher salt: Enhances and balances the natural flavors of the tomatoes and filling.
1 small white or yellow onion, diced: Brings gentle sweetness and depth when sautéed.
2 cloves garlic, minced: Adds aromatic warmth that brightens the filling.
2 cans of quality tuna packed in olive oil, drained and flaked: Provides protein and a savory, satisfying texture.
1/4 cup chopped green olives: Introduces a salty, briny bite to contrast the sweet tomatoes.
2 tablespoons fresh parsley, finely chopped: Offers a fresh herbaceous note and pops of green color.
1 tablespoon lemon juice: Lifts all the flavors with a bright, tangy finish.
Black pepper: Adds a touch of heat and complexity.

How to Make Stuffed Tomatoes with Tuna Recipe

Step 1: Preheat and Prepare

Start by preheating your oven to 375 degrees Fahrenheit. Lightly grease a baking dish with olive oil to keep your stuffed tomatoes from sticking, creating a non-stick surface that will make cleanup easier and ensure the tomatoes cook evenly.

Step 2: Hollow Out the Tomatoes

Using a serrated knife, carefully slice off the tops of the tomatoes. Scoop out the insides with a spoon and set the flesh aside in a bowl—don’t throw it away, we’ll be using it in the filling. Lightly salt the insides of the hollow tomatoes, then turn them upside down on a plate to drain excess moisture, which prevents the filling from becoming soggy.

Step 3: Sauté Onions and Garlic

Heat a tablespoon of olive oil in a large skillet over medium heat. Add the diced onion and cook until soft and translucent, about 10 minutes. Stir in the minced garlic just until fragrant, roughly 30 seconds, to avoid burning but maximize flavor.

Step 4: Reduce the Tomato Flesh

Add the reserved tomato flesh and juices to the skillet along with the remaining kosher salt. Let the mixture cook without stirring for about 5 minutes until most of the liquid evaporates. This concentrated tomato base will give your filling a luscious texture and rich flavor.

Step 5: Combine Filling Ingredients

Remove the pan from heat and fold in the flaked tuna, chopped green olives, parsley, and lemon juice. Finish with a crack of black pepper for balance. This mixture is the heart of your delicious stuffed tomatoes, so taste and adjust seasoning if needed.

Step 6: Fill and Bake

Arrange the drained tomato shells in your greased baking dish and spoon the tuna mixture evenly into each one, mounding the filling on top. If you saved the tomato tops, place them back on as a charming lid. Bake uncovered for about 30 minutes until the tomatoes are tender but still hold their shape.

A square, light gray baking dish holds four stuffed tomatoes, three of which are bright red and one is dark reddish-brown. Each tomato has its top removed and placed back slightly askew, showing a filling of mixed light brown and beige ingredients with small bits of green and orange visible. The surface under the baking dish is a white marbled texture. Photo taken with an iphone --ar 4:5 --v 7

How to Serve Stuffed Tomatoes with Tuna Recipe

Garnishes

Adding a sprinkle of fresh parsley or a drizzle of olive oil just before serving elevates the presentation and brightens the flavors. A few capers or thinly sliced green onions also work beautifully for that extra pop of flavor and visual appeal.

Side Dishes

This dish pairs wonderfully with a simple green salad dressed with lemon vinaigrette or a serving of herby couscous to soak up all the juicy goodness. For a Mediterranean-inspired meal, serve alongside crusty bread or warm pita to enjoy every last bite of the tuna filling.

Creative Ways to Present

Try serving these stuffed tomatoes on a bed of baby arugula for an elegant touch or sprinkle some toasted pine nuts over the top for added crunch. They also make fantastic individual servings at a dinner party, giving guests a vibrant and photogenic plate to enjoy.

Make Ahead and Storage

Storing Leftovers

Leftover stuffed tomatoes can be stored in an airtight container in the refrigerator for up to 2 days. Keep them covered well to preserve moisture and flavor, and bring to room temperature or slightly warm before serving.

Freezing

Because fresh tomatoes can become watery after freezing, it’s best to avoid freezing this dish if you want to maintain the best texture. However, if necessary, freeze only the filling separately in a freezer-safe container for up to 1 month and thaw before reheating.

Reheating

Reheat leftovers gently in a low oven (around 300 degrees Fahrenheit) or in a skillet over low heat. Microwaving is also an option but may affect the tomato’s texture slightly. Regardless of method, take care not to overheat to keep the filling moist and the flavors vibrant.

FAQs

Can I use canned tomatoes instead of fresh?

Fresh tomatoes are really the best for this recipe because they hold their shape when baked, but if fresh tomatoes are not available, large firm canned tomatoes can work in a pinch—just be sure to drain them well before hollowing and stuffing.

What type of tuna is best for this stuffed tomato recipe?

Quality tuna packed in olive oil is ideal as it adds flavor and richness. Avoid tuna in water, as it can be too dry. Flake it gently so you get nice chunks in the filling.

Is this dish served warm or cold?

Stuffed Tomatoes with Tuna Recipe can be enjoyed warm, at room temperature, or even cold, making it versatile for any season or occasion. Each temperature brings out different aspects of the flavors and textures.

Can I make this recipe vegan or vegetarian?

For a vegetarian version, substitute the tuna with marinated artichoke hearts or chickpeas, and for vegan, use the same adjustments and ensure olive oil is strictly plant-based. The flavor profile will change but the concept of stuffed tomatoes remains delightful.

How do I prevent the tomatoes from leaking too much juice?

Salting the insides and letting the tomatoes drain upside down before stuffing helps reduce excess moisture, keeping the filling concentrated and avoiding a watery bake.

Final Thoughts

This Stuffed Tomatoes with Tuna Recipe is a joyful celebration of fresh ingredients coming together in harmony. Whether you are looking for a quick weeknight meal or a charming dish to impress guests, it delivers flavor, simplicity, and vibrancy in every bite. I encourage you to give it a try—you might soon find it becoming a treasured favorite in your recipe collection just like it is in mine.