MAYONNAISE.
Two tablespoonfuls butter, one teaspoonful mustard, one teaspoonful salt, four teaspoonfuls sugar, one-half cup vinegar, one cup cream, yolks of four eggs. Beat yolks together, add butter, mustard, salt and sugar. Boil cream and add to mixture. Boil vinegar and add. Then put on fire and stir until it thickens.