Slow-Cooked Pulled Pork with Steamed Buns

Name: Slow-Cooked Pulled Pork with Steamed Buns
Prep time: 25 min
Cook time: 3 h
Total time: 3 h
Yield: 6 portions
Ingredients: olive oil; 300 g water; 3 tsp dried instant yeast; 500 g plain flour; 2 tsp fine sea salt; 1000 - 1200 g pork shoulder, boneless; 1 tsp fine sea salt; 3 garlic cloves; 1 red onion; 1 carrot; 2 celery stalks; ½ fennel bulb; 2 Granny Smith apples; 40 g olive oil; 2 tsp smoked paprika; 1 tsp mustard powder; ½ tsp dried chilli flakes; 1 Tbsp brown sugar; 50 g cider vinegar; 30 g white wine vinegar; 50 g treacle; 1 Tbsp chicken stock paste; 1 Tbsp tomato purée; 1 - 2 Tbsp whole milk; salad leaves