Line a large baking-dish with pie-dough. Have ready ½ pound of calf's liver chopped, and ½ pound of fresh pork chopped fine. Season highly and mix with ½ cup of butter, 2 green peppers, 1 onion chopped and ½ can of chopped mushrooms. Moisten with a glass of sherry. Fill the dish with the mixture and cover with the dough. Let bake until done and serve hot.