Spicy Tuna on Cucumber Rounds
Crisp, cool cucumber slices topped with a fiery, creamy tuna mix that comes together in minutes. Fresh ginger, sriracha, and a splash of sesame oil give the tuna bold heat and depth, while juicy cucumber keeps every bite light and refreshing. A no-cook appetizer that feels fancy but is shockingly easy to pull off for parties or a quick high-protein snack.
For 4 servings
- prep · ~3 min
Drain the tuna and slice the cucumber.
1.Drain both cans of tuna thoroughly, pressing out excess water.2.Slice cucumbers into ½-inch thick rounds and arrange on a serving platter.TIPPat the cucumber rounds dry with a paper towel so the tuna mix sits securely on top without sliding. - mix · ~4 min
Make the spicy tuna mixture.
1.In a medium bowl, flake the drained tuna with a fork until fine.2.Add mayonnaise, sriracha, soy sauce, sesame oil, rice vinegar, and grated ginger.3.Mix until everything is evenly combined and creamy.4.Fold in sliced green onions, reserving a pinch for garnish.5.Season with a pinch of salt.TIPTaste and adjust sriracha one teaspoon at a time — the heat builds as it sits. - assemble · ~3 min
Top cucumber rounds with spicy tuna.
1.Spoon a generous teaspoon of spicy tuna mixture onto each cucumber round.2.Sprinkle with reserved green onion and black sesame seeds. - serve
Serve immediately.
Arrange on a platter and serve right away while the cucumbers are crisp and cool.
TIPIf making ahead, keep tuna mix and cucumber slices separate and assemble just before serving to prevent sogginess.
What to keep in mind.
6 tips from the recipe — small details that make a real difference to the final dish.
- 1Pat cucumber rounds dry before topping to prevent the tuna mix from sliding off.
- 2Drain the canned tuna very thoroughly — excess moisture will make the mixture watery.
- 3Use full-fat mayonnaise for a richer, creamier texture that balances the heat.
- 4Let the tuna mixture sit for 5 minutes after mixing so the flavors meld.
- 5If making ahead, store tuna mix and cucumber slices separately; assemble just before serving.
- 6Adjust sriracha one teaspoon at a time — the heat intensifies as the mixture rests.
Adapt it for your goals.
Avocado Tuna Boats
Replace cucumber rounds with halved, pitted avocado halves and fill the cavity with the spicy tuna. This adds creamy richness and healthy fats for a more substantial snack or light lunch.
Low Carb WrapsLow-Carb Wraps
Skip the cucumber and wrap the tuna mixture in lettuce leaves (butter or romaine). This reduces carbs further and makes a handheld option for keto or paleo diets.
Spicy Tuna Stuffed PeppersSpicy Tuna Stuffed Peppers
Use mini sweet bell pepper halves instead of cucumber for a crunchier, sweeter base. Great for meal prep as the peppers hold up better overnight.
Wasabi KickWasabi Kick
Add ½ teaspoon of wasabi paste to the tuna mixture for an extra sinus-clearing heat. This pairs well with soy sauce for a more sushi-bar-style flavor.
Why this is on our healthy list.
Lean Protein Source
Canned chunk light tuna provides high-quality, low-fat protein that supports muscle repair and satiety.
Hydrating & Low Calorie
Cucumber rounds are over 95% water, making this a refreshing, low-calorie base that aids hydration and adds volume to the dish.
Omega-3 Fatty Acids
Tuna is naturally rich in omega-3s (EPA and DHA), which support heart and brain health.
Ginger for Digestion
Fresh ginger contains gingerol, a compound known to help soothe the stomach and reduce inflammation.
Frequently asked questions
Yes, but drain it well and consider reducing the mayonnaise slightly since the oil adds extra richness.
