Yeast puff dough for both savoury and sweet pies

• 600 g (1¼ lb) flour
• 250-300 ml (8-10

Work the flour, milk, yeast, egg yolk, salt and 25 g (1 oz) of butter into a dough, kneading thoroughly. If the dough is to be used to make sweet pies, add 1 tablespoon of sugar and 1 teaspoon of eit