South american hot bbq sauce

1/2 c  Minced yellow onion
    1/2 c  Minced sweet green pepper
      2    Cloves garlic, crushed
    1/4 c  olive oil
      2 ts Chili powder
      2 c  Tomato puree
    1/2 c  Red wine vinegar
    1/3 c  Firmly packed dark brown
           -sugar
    1/4 ts Crushed dried hot red chili
           -peppers
  1 1/2 ts Salt
 
  Stir fry onion, green pepper and garlic in oil in a saucepan over moderate
  heat 5 to 8 minutes until onion is pale golden.
  Add chili powder and stir fry 1 to 2 minutes.
  Add remaining ingredients, cover and simmer 30 minutes.
  Use as a basting sauce for spareribs, beef or poultry.