Find recipes for Spring Salad and other Course recipes. Get all the best recipes at . Recipe directions: In a large bowl, combine the tomatoes, radishes and cucumber. In a small bowl, whisk together the vinegar, water, sugar substitute, salt and pepper until sugar substitute is dissolved (mixture will foam up slightly). Pour over vegetable mixture; toss to coat evenly. Cover and refrigerate for at least 1 hour. Serve with a slotted spoon.