Ingredients
20g butter
1kg chicken breast fillets, chopped
2 leeks, trimmed, halved, washed, chopped
2 celery stalks, chopped
2 teaspoons fresh thyme leaves
1/4 cup plain flour
1 1/2 cups chicken stock
3/4 cup pure cream
400g desiree potatoes, peeled, cubed
1/2 cup frozen green peas
1 teaspoon dijon mustard
2 sheets frozen ready-rolled puff pastry, partially thawed, halved
1 egg yolk, lightly beaten
2 teaspoons sesame seeds
Preparation