Instant Pot Italian Pulled Chicken Sandwich

Ingredients (20)

• Kosher salt and freshly ground black pepper
• 1 tbsp olive oil
• 4 oz diced pancetta
• 1 yellow onion
• 4 garlic cloves
• 1 15 oz can diced tomatoes
• ¼ cup red wine
• ¼ cup chicken stock
• 2 tbsp tomato paste
• ½ tsp Kosher salt
• ¼ tsp freshly ground black pepper
• 1 tsp dried oregano
• 1 tsp dried basil
• ½ tsp red pepper flakes
• 1 bay leaf
• 3 lbs chicken thighs
• 8 slices mozzarella
• 1 18 oz. jar roasted red peppers
• 8 Italian rolls
• 4 tbsp butter