One-pot chicken & bacon stew

Name: One-pot chicken & bacon stew
Prep time: 20 min
Cook time: 1 h 30 min
Total time: 1 h 50 min
Cuisine: British
Ingredients: 3 tbsp olive oil; 16 chicken pieces on the bone (about 3kg/6lb 8oz in total); 140g smoked bacon chopped or lardons or cubetti di pancetta; 4 medium carrots thickly sliced; 2 onions roughly chopped; 2 tbsp plain flour; 1 tbsp tomato purée; 75ml white wine or cider vinegar; 1l chicken stock; 2 bay leaves; 4 tbsp double cream or crème fraîche; 600g small new potatoes halved; 12 large white mushrooms quartered; chopped herbs, such as parsley tarragon or chives