Whisk together first 6 ingredients. Cut tofu lengthwise into 3/8-in. thick slices; cut each slice in half diagonally to make triangles. Place tofu and marinade in a large shallow bowl; turn to coat. Cover and refrigerate 3-5 hours, turning occasionally., Preheat broiler. Reserving marinade, place tofu in a 15x10x1-in. pan. Drizzle remaining marinade over tops. Broil 5-6 in. from heat until lightly browned and heated through, about 10 minutes.