Ingredients
Method
- Slice the leeks, then rinse thoroughly in cold water to remove trapped grit, and drain well.
- Melt the butter and cook the leeks and onion gently for 10-12 minutes until soft and sweet.
- Stir in the flour, cook 1-2 minutes, then gradually add the stock. Simmer until thickened, then stir in the cream, mustard and tarragon.
- Fold in the chicken, season, and cool slightly. Transfer to a pie dish, top with pastry, brush with egg, cut a vent. Bake at 200°C (180°C fan) for 25-30 minutes until golden.
