Ting-Town Barbeque Beef Sandwich

Details

Ingredients

• 3 stalks celery, sliced thin
• 1 large onion, coarsely chopped
• 4 cloves garlic, minced
• 1 cup ketchup
• 1 cup barbeque sauce
• 1 tablespoon prepared yellow mustard
• 1 cup beer
• 2 tablespoons cider vinegar
• 2 tablespoons Worcestershire sauce
• 2 tablespoons brown sugar, packed
• 1 teaspoon chili powder
• 1 teaspoon salt
• 1 teaspoon ground black pepper
• 4 pounds boneless beef chuck roast, trimmed of fat
• 16 hamburger buns, split