Cornflour Pudding

1 pint milk
3 table-spoons powdered sugar
3 whites of eggs
¹⁄₂ tea-spoon vanilla
2 heaping table-spoons cornflour

Mix the cornflour to a smooth paste with a little of the milk. Put the rest with the sugar in a double boiler. When boiling add the cornflour. Stir till perfectly smooth and thick. Then leave to cook gently for about twenty minutes. Beat the whites to a stiff froth. Stir them in and continue stirring for two or three minutes. Take off the fire. Add the vanilla. If not perfectly smooth, strain. Pour into a mould.