Sofrito

Ingredients: 
1 teaspoon olive oil
1 garlic clove, chopped
1/4 cup chopped tomato
1/4 cup chopped onion
3-4 stems & leaves of cilantro
1/8 cup chopped green bell pepper
1/8 cup chopped red bell pepper
(Note that 1/4 cup is approximately four Tablespoons, 1/8 cup is approximately two Tablespoons)

If available, add:
3 recao leaves
3 ajices dulce (small sweet peppers) - (1/4 cup)

Directions:
1- Chop the above ingredients as indicated, and add them to a pilón (mortar and pestle).
2- Slowly grind and pound the ingredients together for several minutes.
3- The sofrito is now ready to use in a recipe, or you may store any leftover in the refrigerator or freezer.



Source: http://www.ifood.tv/recipe/the_base_for_most_puerto_rican_food