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Tuna Stuffed Tomatoes

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These tuna stuffed tomatoes are bursting with Mediterranean flavors from the combination of extra virgin olive oil, lemon juice, capers, olives, and crisp bell peppers. Forget about mayonnaise – these delightful treats provide all the tasty flavors you crave in a healthy, low-fat meal. Enjoy them as a light lunch, an appetizer or as part of your favorite salad.

Three tomatoes filled with healthy tuna salad.

These tuna stuffed tomatoes are perfect individual servings of the classic tuna salad. If you have tried our strawberry salmon salad or our salmon Caesar, you will love this healthy tuna salad.

Here is Why This Tuna Stuffed Tomato Recipe Works

  • Serving the tuna salad in tomatoes instead of on bread is a great way to save calories and reduce all the heavy carbs. Plus, you can make these ahead of time and store them in the refrigerator for 2 to 3 days – it’s a great way to have healthy meals ready for when you need them.
  • Olives and capers add a briny kick, while lemon juice gives it enough zing to make your taste buds dance. 
  • Eliminating mayonnaise reduces the calories as compared to traditional tuna salad. Swapping it for a small amount of olive oil gives the salad a rich flavor and some healthy fats. If you want a creamy texture, you can always add in some Greek yogurt.

A fork fluffing tuna in a can.

The Ingredients For Tomatoes Filled with Healthy Tuna Salad

Here is a list of the ingredients you will need for this tuna stuffed tomato recipe. Scroll down to the printable recipe card for all the details. 

  • Tomatoes. Choose ripe but firm tomatoes. If they are overripe, they will be too soft and squishy when you fill them.
  • Tuna. White albacore tuna has a lighter flavor and a chunky robust texture that holds up to the other ingredients. 
  • Olives. A mix of green and black olives gives the healthy tuna salad an edgy Mediterranean flavor. 
  • Bell pepper. Red bell pepper adds a slight sweetness and a crisp texture. 
  • Celery. Celery adds extra crunch and texture. 
  • Capers. These briny, salty little gems add a special touch of flavor.
  • Parsley or Basil. A handful of freshly chopped herbs adds a unique flavor and a pop of color.
  • Green onions.
  • Olive oil. This healthy fat replaces mayonnaise for an even healthier option.
  • Lemon. Add the zest and a bit of juice for a fresh, lemony flavor. 
  • Pepper. Freshly cracked black pepper finishes the salad and adds a subtle heat. 

Recipe Highlights For Tuna Loaded Tomato Cups

Here is a brief overview to get an idea of what to expect when making these tuna stuffed tomatoes. Scroll down to the printable recipe card for all the details.

Scooping the center out of a tomato.

Slice the tops off the tomatoes and scoop the pulp out of the center. 

Combining herbs and vegetables with canned tuna.

Combine the tuna with all the veggies, herbs, and spices. Spoon the tuna salad into the center of the hollowed-out tomatoes.

Tips for Success

  • Dice the veggies very finely so they mix into the salad well. 
  • Drain the liquid from the cans of tuna before you mix the salad. 
  • Purchase ripe but firm tomatoes that will not squish easily. 

Substitutions and Variations

  • Add some feta cheese for a salty, creamy finish and a sharpness that pairs perfectly with the tuna salad.
  • Swap out the Mediterranean flavors for a Mexican twist by adding some black beans, corn, jalapenos, and cilantro.

Storing Stuffed Tomatoes

  • Store the stuffed tomatoes in a covered container for two days in the fridge. 
  • You can store the tuna salad mixture for up to four days if you do not stuff it inside the tomatoes. 

Two tomatoes stuffed with tuna salad.

Frequently Asked Questions

Can you freeze tuna salad?

Yes, but do not freeze the tuna stuffed tomatoes. To freeze the tuna salad, keep it separate from the tomatoes and stuff the tomatoes after you thaw the tuna.

What tomatoes are best for stuffing?

You can use any tomatoes with a plump round bottom rather than a pointed bottom. Beefsteak tomatoes work well for this recipe, but Campari tomatoes have a lovely round shape if you want smaller salads.

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A tuna stuffed tomato on a bed of lettuce.

Tuna Stuffed Tomatoes

There is no mayonnaise in this tuna stuffed tomato recipe. Extra virgin olive oil, citrusy lemon, briny capers, and olives give it a Mediterranean flavor, while celery and bell peppers bring a satisfying crunch.
Serve this healthy tuna salad on a bed of lettuce or with a slice of toasted bread for a delicious lunch. If you prefer to use mayonnaise, read the notes for amounts.
4.80 from 10 votes
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Prep Time: 20 minutes
Total Time: 20 minutes
Servings: 6 servings
Calories: 141kcal
Author: Pat Nyswonger


  • 4 to 6 large ripe tomatoes
  • 2 cans tuna (6 ounces each) drained
  • ¼ cup chopped olives
  • ¼ cup chopped red bell pepper
  • 1 celery stalk chopped
  • 2 tablespoons capers drained and finely chopped
  • 1 tablespoon chopped fresh parsley or basil
  • 2 green onions finely chopped
  • 2 tablespoons olive oil
  • zest of 1 lemon
  • squeeze of lemon juice
  • ¼ freshly ground pepper


  • Cut a slice off the top of each tomato. Use a spoon to scoop out the pulp from the center of the tomatoes then pat the insides dry with a paper towel.
  • Add the drained tuna to a bowl and break it up with a fork. Add the rest of the ingredients and stir to combine.
  • Spoon the tuna mixture equally into the tomato shells.


  • The olives and capers have salt in them but you may desire additional salt. Taste the tuna mixture before determining if salt is necessary.
  • You can use olive tapenade instead of chopped olives.
  • If you prefer to mix the tuna salad with mayonnaise, eliminate the olive oil and add 1/3 cup of mayonnaise. You can also use
  • Dice the veggies very finely so they mix into the salad well. 
  • Drain the liquid from the cans of tuna before you mix the salad. 
  • Purchase ripe but firm tomatoes that will not squish easily. 


Serving: 1 | Calories: 141kcal | Carbohydrates: 6g | Protein: 15g | Fat: 6g | Sodium: 295mg

This recipe was originally published on July 29, 2015.

Pat Nyswonger

Pat is a wife, mom of four adult children, and grandmother to seventeen beautiful children. She is a self-taught home cook and loves creating delicious meals for her family and friends. Her kitchen is the hub of activity in her home, and she loves to entertain.

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4.80 from 10 votes (10 ratings without comment)
Recipe Rating

John@Kitchen Riffs

Wednesday 29th of July 2015

Love the idea of this! A mayo-based tuna salad is good, but one wants a change. This would be perfect with our garden tomatoes! Really nice -- thanks so much.


Thursday 30th of July 2015

Thank you, John

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