BBQ Pulled Pork with Brown Sugar Chili Sauce - Manitoba Pork

Ingredients

• 1 pork shoulder blade roast, boneless, about 4 lb / 2 kg
• 2 Tbsp / 30 mL Kosher salt
• 1 tsp / 5 mL ground black pepper
• 1 Tbsp / 15 mL unsalted butter
• ½ cup / 125 mL finely chopped yellow onion
• 2 cloves garlic, minced
• 1-455 mL bottle chili sauce
• ⅓ cup / 80 mL lemon juice
• ¼ cup / 50 mL Dijon mustard
• 1 Tbsp / 15 mL apple cider vinegar
• 2 tsp / 10 mL Worcestershire sauce
• ½ cup / 125 mL packed brown sugar
• ¾ tsp / 4 mL chipotle chili powder