Chuck Roast Bbq Recipe

• 2 1/2 lb boneless chuck roast trimmed
• 1 med onion minced
• 3/4 c. cola
• 1/4 c. Worcestershire sauce
• 1 Tbsp. apple cider vinegar
• 2 x garlic cloves chopped
• 1 tsp beef bullion granules
• 1/2 tsp dry mustard
• 1/2 tsp chili pwdr
• 1/4 tsp grnd red pepper
• 1/2 c. ketchup
• 2 Tbsp. butter or possibly margarine
• 6 x hamburger buns

Directions