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Pesto Tuna Caprese Cucumber Bites

Quick and flavorful cucumber bites topped with delicious pesto flavored Genova tuna, fresh tomato and basil, creamy mozzarella, and a drizzle of homemade balsamic reduction. These little Caprese bites are light, healthy, and perfect for entertaining! 

Prep Time
10 mins
Cook Time
15 mins
Total Time
25 mins

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Not sure if you guys are happy about zucchini week being over or completely devastated. I’m ready for a little something different in the recipe rotation because guess what I learned? Tony hates zucchini. He told me this after he picked the roasted zucchini out of the enchilada casserole I made. Funny enough, he did completely demolished several slices of my chocolate zucchini cake with zero complaints.

Heh. Men.

tuna caprese cucumber bites
This post is in partnership with Genova Seafood.

Let’s move on to my new favorite appetizer. One with just a few ingredients, quick prep time, easy bite-ability, and of course, BOLD FLAVA.

Meet the adorable Pesto Caprese Tuna Cucumber Bites in partnership with my friends at Genova Tuna.

I wanted to make something that is easily to assemble, cute enough to impress your guests and leaves you wanting more because they’re so freakin’ delish.

tuna caprese cucumber bites

So how do you make them?

First, Genova tuna is mixed with store-bought pesto (or you can easily make your own) then piled high on thick cucumber slices, topped with a ripe cherry tomato half, a little mozzarella, a basil leaf and a drizzle of an easy homemade sweet balsamic reduction. BOOM.

tuna caprese cucumber bites

If you haven’t already noticed, I’ve loved using Genova’s albacore and yellowfin tunas for quick meals and little snacks like this. One can packs 26g of protein and is packaged in just a little olive oil and salt. It’s literally my favorite tuna out there because it has SUCH good flavor.

Genova also allows you to actually trace your tuna to see where it came from by entering a code on their site here. Pretty cool, huh?

P.S. If you haven’t made my farmer’s market tuna wraps, you NEED to. They are outrageously good.

Make these for your next summer BBQ, impress all of your friends, and send me a photo of your masterpiece on Instagram by tagging #ambitiouskitchen.

Enjoy xo!

More healthy appetizers you’ll love:

Sweet and Spicy Bacon Wrapped Plantains

Whipped Feta & Avocado Crostini with Pomegranate

Roasted Strawberry, Basil and Goat Cheese Crostini

Tofu Vegan Nachos with Cashew Cheese Sauce

Pesto Tuna Caprese Cucumber Bites

5 from 1 vote
tuna caprese cucumber bites
Course Appetizer, Gluten Free, Low Carb, Snack
Keyword cucumber bites
Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Serves 14
Quick and flavorful cucumber bites topped with delicious pesto flavored Genova tuna, fresh tomato and basil, creamy mozzarella, and a drizzle of homemade balsamic reduction.


  • For the cucumber bites:
  • 1 medium cucumbers, sliced into ½ inch rounds (I used an english cucumber from trader joe’s)
  • 1 (5 oz) can Genova Yellowfin or Albacore Tuna in Easy-Open can, drained
  • 3 tablespoons store bought pesto
  • Freshly ground black pepper, to taste
  • 7 cherry tomatoes, halved
  • 7 basil leaves
  • 14 mini mozzarella balls (or you can just make small round mozz circles if you can’t find the balls)
  • For the balsamic glaze:
  • 1 cup balsamic vinegar
  • 1 tablespoon sugar (any will work)


  1. Add balsamic vinegar and sugar to a small saucepan and place over medium high heat. Bring mixture to a boil, then reduce to medium low and simmer for 15-20 minutes, stirring every so often until the balsamic vinegar turns into a thick syrup like consistency. Remove from heat and set aside. Note: if the mixture hardens up after removing from heat, just reheat it over a low heat.
  2. While the balsamic vinegar is boiling, add the tuna, pesto and freshly ground black pepper to a small bowl; stir to combine. 
  3. Place about a ½ tablespoon of tuna pesto mixture on each cucumber round. Top with mozzarella ball, cherry tomato half, and small basil leaf and secure with a toothpick. 
  4. Transfer all to a platter. Drizzle with balsamic reduction and serve immediately. Makes 14 bites.

This post is in partnership with Genova Seafood, a brand I trust. Thanks for supporting AK and the brands that help make this site possible.

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