1     serving       cooking spray
                    = (5 one-second sprays per serving)
1     small         white onion
1                   average jalapeño pepper
                    and minced (do not touch seeds with bare
                    hands)
1     medium        garlic clove
1 1/4 pounds        large shrimp
                    and tails removed
3     medium        tomatoes
1/2   teaspoon      table salt
1/4   teaspoon      freshly-ground black pepper
1     tablespoon    fresh lime juice
2     teaspoons     munced fresh cilantro