Guacamole

4 ripe Haas avacados
1/2 red onion, diced
1/2 c. cilantro leaves, chopped
2 plum tomatoes, seeded & diced
juice of large lime
salt

Cut avacados in half. Remove seeds and dice in their skin. Scoop out diced bits and place in bowl. Fold in all other ingredients. Salt to taste. Serve immediately with tortilla chips.