Crispy Tuna Wonton Cups with Sesame Soy Dipping Sauce

Tuna Wonton Cups — finely chopped raw tuna folded with crème fraîche, tamari, lemon zest, and a hint of truffle oil, nestled in crisp baked wonton shells. These bite-sized appetizers are finished with a small spoonful of caviar just before serving for a salty, luxurious pop.


Crispy baked tuna wonton cups filled with raw tuna mixture and finished with caviar, served as an appetizer.

Think crisp and delicate shells giving way to a cool, silky center. The tuna remains fresh and tender; the crème fraîche brings creaminess; tamari adds savory depth; lemon zest brightens the whole mix. Truffle oil is optional but lends an aromatic note that elevates the bites. Paired with caviar, each mouthful is crunchy, savory, and perfectly balanced.

Key Ingredients: Sushi-grade bluefin tuna (or alternate sushi-grade tuna), crème fraîche, lemon zest, scallions, tamari (or soy sauce), black truffle oil (optional), salt, black pepper, caviar (optional).

Keep the fish well chilled until you are ready to prepare it. Wash and trim the scallions and zest the lemon before you begin. Measuring the tamari and truffle oil ahead helps avoid over-seasoning; both are strong and easy to overdo.

For the Wonton Cups: wonton wrappers, oil spray, muffin tin.

Cut a small “X” in the center of each wonton wrapper before baking. This little step prevents the wrappers from puffing and forming large air pockets. Lightly grease your muffin tin and the wrappers so the cups release cleanly and bake evenly. Prepare the cups in advance and allow them to cool fully; warm shells will steam and lose their crunch.


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Timing and Flavor Notes: Measure and taste as you go. The truffle oil should be added sparingly — half a teaspoon is a good starting point; adjust up to a full teaspoon only if desired. Keep the caviar chilled; add it at the last moment so it retains its texture and saline burst.


Tuna wonton cups filled with chopped raw tuna, creme fraiche, scallions, and topped with caviar on a serving plate

Pro tip: always cut the small “X” in the wonton wrappers — this keeps the cups flat and crispy inside the oven.

  • Bluefin tuna: Use sushi-grade tuna for safety and texture. Other sushi-grade tunas (ahi) are acceptable substitutes.
  • Crème fraîche: Offers a rich, tangy creaminess. Substitute with full-fat Greek yogurt or sour cream if needed, keeping in mind the flavor and texture changes.
  • Tamari: A gluten-free soy alternative; regular soy sauce can substitute but may be saltier, so reduce the amount slightly.
  • Black truffle oil: Optional. Omit for a simpler finish or use a small drizzle of good olive oil if desired.
  • Caviar: Optional garnish. Salmon roe or trout roe can provide a similar salty pop. Flaky sea salt is a fine alternative.
  • Wonton wrappers: Egg roll wrappers cut to size work in a pinch but will be thicker and less delicate.

Suggested Pairings: A chilled cucumber-forward cocktail or a bright, crisp salad balances the richness of the tuna cups. For a heartier meal, simple steak frites or a butter lettuce salad keeps the menu cohesive without competing with the appetizer.

Can these be made ahead of time?

Yes. Bake the wonton cups ahead and store them at room temperature once fully cooled. Make the tuna mixture close to serving time and assemble immediately before serving to preserve the contrast between crunchy shell and cool filling.

Is the caviar necessary?

No. Caviar adds an elegant salty pop, but the recipe works beautifully without it. A sprinkle of flaky sea salt will still give a satisfying finish.

Tuna Wonton Cups
Crisp baked wonton cups filled with finely chopped raw tuna tossed with crème fraîche, tamari, lemon zest, and a touch of truffle oil. Finish with caviar if desired. These bites are rich, crunchy, and perfectly seasoned for parties or elegant hors d’oeuvres.
Crispy baked tuna wonton cups filled with raw tuna mixture and finished with caviar, served as an appetizer.
Prep: 15 mins
Cook: 12 mins
Total: 27 mins
Servings: 12 bites

Equipment

  • muffin tin
  • oven
  • mixing bowl
  • sharp knife
  • cutting board
  • microplane or fine grater

Ingredients

  • 12 wonton wrappers
  • oil spray
  • 10 oz sushi-grade bluefin tuna, finely chopped
  • 4 scallions, green parts only, finely sliced
  • 1½ tbsp crème fraîche
  • 1 tbsp tamari (or soy sauce)
  • zest of 1 lemon
  • ½ to 1 tsp black truffle oil, to taste (optional)
  • salt and black pepper, to taste
  • caviar, optional for topping

Instructions

  • Preheat: Heat the oven to 350°F (175°C).
  • Bake the wonton cups: Cut a small “X” in the center of each wrapper to prevent puffing. Lightly spray a muffin tin and press the wrappers into each cup. Lightly spray the tops and bake for 10–12 minutes, until golden and crisp. Remove and cool completely.
  • Prepare the tuna: Finely chop the tuna and place it in a mixing bowl. Add the crème fraîche, tamari, lemon zest, sliced scallions, and truffle oil if using. Gently fold to combine and season with salt and black pepper to taste. Keep the mixture chilled until ready to assemble.
  • Assemble and serve: Spoon the tuna mixture into cooled wonton cups just before serving. Top with a small amount of caviar if desired, and serve immediately.

Nutrition

Calories: 64 kcal · Carbohydrates: 5 g · Protein: 7 g · Fat: 2 g · Sodium: 140 mg

Nutrition information is an approximation and should be used as a guide only.

Additional Info

Course: Appetizer

Cuisine: Japanese-inspired

Keywords: tuna appetizer, truffle bites, wonton cups