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Tuna Tataki on Cucumber Ribbons

Yields12 ServingsPrep Time10 minsTotal Time10 mins

This Tuna Tataki on Cucumber Ribbons recipe is a stunning appetizer featuring lightly seared ahi tuna seasoned with soy, sesame, and citrus, served over fresh cucumber ribbons and finished with a touch of wasabi mayo. A low-carb, gluten-optional, and gourmet starter perfect for dinner parties or cocktail events.

Tuna Tataki on Cucumber Ribbons

Makes 12–15 canapés
For the Tuna Tataki
 8 oz sushi-grade ahi tuna block (about 1½-inch thick)
 1 tbsp soy sauce (or tamari for gluten-free)
 1 tbsp sesame oil
 1 tsp lime juice
 ½ tsp grated ginger
 1 tsp toasted sesame seeds (white and/or black)
 Pinch of sea salt
For the Cucumber Base
 2 English cucumbers (or Persian cucumbers)
 1 tsp rice vinegar
 Optional: Pinch of sugar or salt
For the Wasabi Mayo
 3 tbsp mayonnaise
 1 tsp wasabi paste
 1 tsp lime juice
Garnish
 Microgreens or thinly sliced scallions
 Extra sesame seeds
 Tiny lime wedges or zest
Marinate & Prep Tuna
1

  • Pat tuna dry. Mix soy sauce, sesame oil, lime juice, and grated ginger in a shallow dish.

  • Add tuna and marinate for 5–10 minutes, turning once to coat. (Don’t over-marinate — tuna is delicate!)

Sear the Tuna
2

  • Heat a nonstick or cast-iron skillet over high heat.

  • Sear the tuna for 20–30 seconds per side, including edges — it should remain raw in the center.

  • Immediately remove from heat. Let rest 5 minutes, then slice thinly (⅛–¼ inch).

Prepare Cucumber Ribbons
3

  • Use a vegetable peeler or mandoline to shave long, wide ribbons from the cucumbers.

  • Lightly toss with rice vinegar and a pinch of salt. Let sit 5 minutes, then gently pat dry with a paper towel.

Make Wasabi Mayo
4

  • Mix mayo, wasabi paste, and lime juice until smooth. Adjust heat to taste.

Assemble
5

  • Twist or fold each cucumber ribbon into a loose rosette or stack.

  • Place a slice of tuna tataki on top.

  • Drizzle with wasabi mayo and sprinkle with sesame seeds.

  • Garnish with microgreens or scallions and a micro-zest of lime.

Pairing Suggestions
6

  • Drinks:

    • Sake (Ginjo or Daiginjo) — clean and floral

    • Dry Riesling or Grüner Veltliner

    • Yuzu Spritz or a citrus-forward gin & tonic

  • Other Canapés to Serve Alongside:

    • Ahi Poke Wonton Crisps

    • Edamame Hummus on Endive

    • Mini Seaweed Salad Bites

Tips & Notes
7

  • Searing: Use high heat and very short sear time to keep that perfect rare interior.

  • Presentation tip: Use a spoon or piping bag to neatly dot wasabi mayo.

  • No wasabi? Add horseradish or a pinch of chili garlic sauce for heat.

  • Low-carb & gluten-free: Naturally fits both diets if you use tamari.

Nutrition Facts

12 servings

Serving size