Knobs of butter

Olive oil

450g chicken breasts

1 medium leek

150g carrot

4-6 sprigs of fresh thyme

2 tablespoons of plain flour

150ml white wine

300ml chicken stock

1 teaspoon of wholegrain mustard

Seasoning

500g pack of ready made puff pastry

1 Egg

1. Take the pastry out of the fridge.
2. Heat the oven to 190°C.
3.