steamed broccoli, to serve
1 leek, chopped
200g/7oz button mushrooms, large ones cut in half
¼ onion, peeled
1 tbsp plain flour
1 bay leaf
low-calorie spray oil
200ml/7fl oz semi-skimmed milk, plus a ½ tbsp extra to glaze
100g/3½oz reduced-calorie ready rolled puff pastry (about a 10x25cm piece)
2 bacon medallions, sliced into small pieces
1 x 200g/7oz chicken breast