Barbecue Sauce

1/2 c  Butter; 1 stick
1    Onion; finely chopped
1    Garlic Clove; finely chopped
3 tb Vinegar
1 c  Chili Sauce; Heinz
1 c  Water
2 tb Brown Sugar
2 tb Worcestershire Sauce
1/2 tb Mustard
1/2    Lemon; juice
1 cn Beer; cooks choice
Pepper

In a large saucepan, saute onion and garlic in
butter.  When the onions are transparent, add the
remaining ingredients.  Bring to a boil.  Simmer until
grill is ready, about 10 to 15 minutes.