Brian Taylor - Pulled Pork (slow cooker version)

Ingredients

• 2 onions, finely chopped
• 6 cloves garlic, minced
• 1 tbsp chili powder
• 1 tsp cracked black peppercorns
• 1/2 cup Heinz chili sauce
• 1/4 cup cider vinegar
• 1 tbsp Worcestershire sauce
• 1 tsp liquid smoke
• 1 boneless pork shoulder trimmed of fat (about 3 pounds)