Salsa Verde (1981)

1 (10-oz. can) Mexican green tomatoes 

1 small onion, chopped 

2 or more canned serrano chiles, chopped 

1 clove garlic, chopped 

6 sprigs fresh cilantro, chopped 

salt and pepper 

Blend together. Adjust seasonings. If you are using fresh tomatoes (green tomatoes), you must cook them until soft, about 10 minutes. Then add other ingredients.