6 mushrooms

1/2 tablespoon butter

Salt and red pepper

Juice of 1/2 lemon

1 tablespoon mushroom catsup

1/4 cup stock

1 teaspoon flour

Clean the mushrooms; cut them into small pieces; put them in a saucepan with the butter, salt and pepper, lemon juice and catsup; stew until tender; add the stock and the flour mixed with a little cold water; bring all to a boil and serve with beefsteak or game.