Lean Pulled Pork - Manitoba Pork

Ingredients

• 1 pork shoulder blade roast, boneless, well-trimmed, about 3 lb / 1.5 kg
• 1 yellow onion, thinly sliced
• 1 cup / 250 mL barbecue sauce
• 2 Tbsp / 30 mL apple cider vinegar
• 1 Tbsp / 15 mL EACH molasses and Worcestershire sauce
• 2 tsp / 10 mL chili powder
• 1 tsp / 5 mL EACH ground cumin and ground oregano
• 6-8 Kaiser rolls, sliced
• Prepared coleslaw for serving