Chuck Roast Barbecue

Ingredients

• 1 tablespoon apple cider vinegar 
• 1 teaspoon beef bouillon granules 
• 2 teaspoons butter 
• 0.5 teaspoon chili powder 
• 2 pound chuck roast boneless trimmed
• 0.8 cup cola carbonated beverage 
• 0.5 teaspoon mustard dry
• 2 cloves garlic minced
• 0.3 teaspoon ground pepper red
• 6  hamburger buns 
• 0.5 cup catsup 
• 2 medium onions chopped
• 0.3 cup worcestershire sauce 

Equipment

• sauce pan
• slow cooker

Directions

1. Combine roast and chopped onion in a 4-quart slow cooker.
2. Combine cola and next 7 ingredients; reserve 1/2 cup in refrigerator.
3. Pour remaining mixture over roast and onion.
4. Cook, covered, on HIGH 6 hours or until roast is very tender; drain and shred roast. Keep warm.
5. Combine reserved 1/2 cup cola mixture, ketchup, and butter in a small saucepan; cook mixture over medium heat, stirring constantly, just until thoroughly heated.
6. Pour over shredded roast, stirring gently. Spoon onto buns, and serve with potato chips and pickle spears, if desired.