Brandied mushroom pies

AWW Easy Entertaining. Makes 8. 12 steps

45g butter		Cook until lightly browned	Divide mushrooms between 8 soufflé dishes. Press strips of pastry around inside rim of each dish, wrapping around twice. Brush with a little water. Place square on top, press to seal. Trim, brush with egg.	May be assembled a day beforehand. Bake in moderate oven 20 minutes or until golden brown
2 onions	slice
1kg baby mushrooms	halve	Cook over high heat until just soft
2 tablespoons brandy		Cook until liquid evaporates
1 tablespoon cornflour	blend	Stir until boils and thickens
600ml sour cream
2 sheets puff pastry	Cut each into 4 squares. Cut a 1cm strip from the edge of each square.
1 egg	beat lightly