Combine first 12 ingredients; toss gently. Spoon 1 rounded tablespoon rice mixture onto each cucumber slice.
A handheld grater is an ideal kitchen tool when you need to create finely grated bits that distribute flavor throughout a dish. Use it to grate the rind from fresh citrus or hard cheese, such as the well-aged Asiago and lemon we used in this recipe.
Cooking Light Gluten-Free Cookbook