Seed and chop the tomatoes. Place into a large bowl. Add the chopped garlic, onion, parsley, pepper, lemon juice, and sweetener to the tomatoes. Mix well and set aside.
Cook the black beans until done but not mushy. Drain well and add the frozen corn kernels. Cool to room temperature and combine with the tomato mixture. Allow to "marinate" for several hours.
Optional seasonings: chili powder or substitute cilantro in place of parsley.Servings: 8