Foaming Sauce.
2 tablespoonfuls of butter.
1 gill of powdered sugar.
White of one egg.
3 tablespoonfuls of sherry.
Beat the butter to a cream. Gradually beat into it the powdered sugar. Now add the well beaten white of the egg, and beat for two minutes longer. Add the wine, a spoonful at a time, and continue beating until the mixture is perfectly smooth. Place the bowl in a pan of boiling water and stir for three minutes. Serve in a hot bowl.