Pulled Pork - Dinner With Julie

Ingredients

• canola oil, for cooking
• 3-4 lb boneless pork shoulder, cut into large chunks
• 3 Tbsp chili powder
• 1 Tbsp paprika
• 1 Tbsp brown sugar
• 2 tsp ground cumin
• salt and pepper, to taste
• 1 onion, halved and thinly sliced
• 2 cups chicken stock or beer
• bottled barbecue sauce, to taste
• soft white buns or biscuits, for serving