1. Wash, dry and trim the stems of 2 pounds fresh mushrooms.
2. Heat 4 tablespoons butter in a skillet.
3. Add the mushrooms.
4. Sprinkle them with salt, pepper and the juice of half a lemon.
5. Cover the skillet.
6. Cook the mushrooms for 10 minutes.
7. Shake the pan frequently.
8. Arrange the mushrooms in a buttered quarts baking dish.
9. Add 2 more tablespoons butter to the juices in the pan.
10. Stir in 3 tablespoons flour.
11. Gradually stir in 1 1/2 cup chicken stock.
12. Cook, while stirring continuously until the sauce is smooth and thickened.
13. Stir in 1/2 cup Madeira and 1/2 cup hot heavy cream.
14. Season the sauce with salt and freshly ground pepper.
15. Pour the sauce over the mushrooms.
16. Cover with  a layer of flaky pie dough.
17. Brush the dough with a beaten egg.
18. Make a few slits in the top.
19. Bake in a hot oven (450ºF) for 15 minutes.
20. Reduce the heat to moderate and bake for 10 to 15 minutes longer.

List of ingredients required:

• 2 pounds fresh mushrooms.
• Butter.
• Salt.
• Freshly ground pepper.
• 3 tablespoons flour.
• 1/2 lemon, juiced.
• 1 1/2 cup chicken stock.
• 1/2 cup Madeira.
• 1/2 cup heavy cream.
• 1 egg, beaten.
• Flaky pie dough.