To make Lime Ponzu, mix together soy sauce and lime juice. (Yield: 3 cups)
For each serving, to order, arrange 4-5 tomatoes slices of various kinds and 5-6 avocado slices on a plate. Scatter 1/4 cup onions and a few pieces of chile on top. Drizzle with 2 tablespoons Lime Ponzu.
Recipe by Chef Brandy Stewart, Soba Restaurant (Pittsburgh, PA)