Dice cucumbers and tomatoes into 1/4-inch cubes and combine in a bowl. Add red and green onions, garlic, soy sauce, vinegar, and black pepper and cayenne to taste. Mix well. Cover and chill at least 30 minutes.
Servings 0
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.