Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      cans          pinto beans
     1/4  medium        onion -- minced
   3      cloves        garlic -- minced
     1/2  teaspoon      cumin
     1/2  teaspoon      ground epazote
                        salt to taste

Preparation:

Add all the ingredient to a pan and bring to a boil on med. high heat. Let simmer 15 minutes. Drain off most of the liquid. Mash with potato masher. If they start to dry out, mix in a little beer. I usually add a little chopped cilantro as well.