1/2 c. chopped onion
1/4 c. chopped cilantro
1 tsp. salt
4 serrano chilies, chopped or to taste
1/4 c. sour cream
4 avocados
2 tsp. fresh lime or lemon juice
3/4 c. diced tomato, seeded and well drained

Take onions, chilies, cilantro and salt and put in food processor. (Do not puree.) Then mix in avocados and everything else. Serve with tortilla chips.