Smoky Bacon and Vegetable Pulled Chicken

Name: Smoky Bacon and Vegetable Pulled Chicken
Ingredients: 100 g streaky bacon rind removed; 1 medium Spanish onion; 6 stalks celery; 1 large carrot; 1 small sweet potato; 1 small red chilli optional; 4 chicken thighs I used organic; 2 tbsp extra virgin olive oil; 2 tsp brown sugar; 1 tsp smoked paprika; 1 tsp turmeric powder; 1 tsp ground coriander; 1 can diced peeled tomatoes; 2 cups passata; salt; 1 fresh garlic clove; Manchego or Parmesan cheese to serve; Sourdough or other bread to serve