Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2       Medium       tomatoes -- *
   1       Medium       onion -- *
   1       clove        garlic -- *
   1                    jalapeno pepper -- seed
   1       Tablespoon   Finely snipped cilantro
   1       Tablespoon   Lemon juice
   1 1/2   teaspoon     Vegetable oil
     1/2   teaspoon     Dried oregano leaves
     1/2   teaspoon     Jalapeno pepper liquid

Preparation:

*Finely chopped Mix all ingredients. Cover and refrigerate in glass or plastic container. Refrigerate no longer than 7 days. My cookbook has a note in there stating that a bottled tomato and yellow chili sauce can be substituted in recipes calling for Casera Sauce.