Barbecue Sauce

Ingredients

• 2 medium onions finely chopped
• 1 clove garlic, finely chopped
• 1/4 cup vegetable oil
• 2 Tbsp chili powder
• 2 cups catsup
• 1 cup vinegar
• 1/2 cup lemon juice
• 1/4 cup Worcestershire sauce
• 1/3 c finely packed brown sugar
• 2 Tbsp prepared mustard
• 1 Tbsp crushed celery seed
• 2 tsps crushed cumin seed
• 2 Tbsp butter or margarine