This document provides a recipe for a yellowfin tuna tartare with wasabi-apple vinaigrette. The recipe calls for thinly slicing and dicing yellowfin tuna and seasoning it with sake, rice vinegar, lime juice, and sugar. Cucumbers are also thinly sliced and diced. A wasabi-apple vinaigrette is made by blending wasabi, apple, lime juice, water, and olive oil. To serve, the tuna tartare and cucumber are layered in a ring mold and topped with salmon roe, avocado, and lemon grass. The vinaigrette is drizzled around the tartare.