Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   8                    canned chipotles in adobo sauce
   2      tablespoons   peanut oil
   1      medium        onion -- finely chopped
   4      cloves        garlic -- minced
  28      ounces        ketchup
   1      tablespoon    chile powder
     1/2  tablespoon    cumin
     1/3  cup           malt vinegar
     1/4  cup           Worcestershire sauce
     1/4  cup           yellow mustard
   6      ounces        Oktoberfest or bock beer

Preparation:

Finely chop chiles. Heat the oil and cook onion and garlic until soft. Add the remaining ingredients. Bring to a gentle boil stirring constantly. Then turn down and let simmer until thick.