Pulled pork with caramelised apples and onion

Ingredients

• 1.6 kg pork shoulder (remove the rind/skin if you wish)
• 2 tsp sea salt
• 1 tsp ground black pepper
• 1 tbsp onion powder
• 1 tbsp dried sage
• 2 tbsp light brown sugar
• 3 red onions, halved
• 6 eating apples, such as Jazz
• 25 g butter
• 25 g soft brown sugar