There are several recipes for hot slaw, but this is one of the best. Shred the cabbage, soak in cold water and drain. Put on a dish and pour the following hot sauce over it: Put 2 cups of strong vinegar in an enamelled saucepan, stir in 1 teaspoon of mustard and salt, 1 tablespoon of butter, and 3 of castor sugar. Stir well, and just before serving add the yolks of 2 or 3 eggs. Mix with the cabbage and serve at once.