ORANGE SAUCE

Put the juice of the oranges and the grated rind of one with the sugar into a saucepan. Set on the range and stir till the sugar is melted or dissolved, then strain through a fine sieve to remove the rind. Add the beaten eggs, lemon juice, and butter. Before serving, set in double boiler and stir for a few minutes to melt the butter and thoroughly mix the eggs. Serve hot or cold.