1.Wash hands well with soap and warm water. Wash produce well and chop produce as directed.
2.In a medium bowl, combine tomatoes, peppers, onion, cilantro and garlic (if using). Mix well.
3.Season with lime juice, salt and pepper, to taste. Mix well.
4.Serve chilled with chips, over tostadas or tacos, or as a garnish for your favorite dishes