Excellent Potato Salad
From MRS. GENEVIEVE M. GUTHRIE, of Oklahoma, Lady Manager.
For four or six people. Cut into dice six medium sized potatoes (boiled); three medium onions; salt and pepper them to taste; pour over and mix well the following dressing: Three well beaten eggs, three large tablespoonfuls of strong vinegar, a lump of butter size of a walnut, pinch of salt, pepper and mustard (unmixed); put on the stove and cook to a thin custard, stirring constantly.