Slow-Cooker Beef and Pork Barbecue Sandwiches Recipe

Ingredients

• 1 1/2 pounds beef boneless chuck roast, trimmed of fat
• 1 1/2 pounds pork boneless shoulder roast, trimmed of fat
• 1 large onion, chopped (1 cup)
• 1 medium green bell pepper, chopped (1 cup)
• 1/2 cup packed brown sugar
• 1/4 cup cider vinegar
• 1 tablespoon chili powder
• 1 teaspoon salt
• 1 teaspoon ground mustard
• 2 teaspoons Worcestershire sauce
• 1 can (6 ounces) tomato paste
• 15 sandwich buns, split