blue martinis

1 cup rice vinegar 3/8 cup sugar 2 tablespoons salt, plus a pinch 1 piece konbu (kelp), about 3 or 4 inches square 2 cups short-grain white rice 1 teaspoon sake, optional. 1. Combine vinegar, sugar and 2 tablespoons salt in a container and shake or stir until dissolved. Add konbu and let sit about […]