Dear consuelo: this gringo had to look up recipe for pico de gallo:

Pico de Gallo Salsa
4 plum tomatoes, seeded and chopped
1/2 cup finely chopped onion
2 fresh chile peppers, mild or hot, seeded and finely chopped
2 tablespoons chopped red or yellow bell pepper
1 1/2 teaspoons finely chopped fresh cilantro
1 teaspoon lime juice
salt and pepper, to taste