Beat 3 eggs with 1/2 cup sugar until lemony yellow. Add vinegar and water to taste. Also add a pinch of salt. Cook until it thickens. May be cooked few hours ahead and tightly covered; leave on back of stove to keep warm. Fry few strips of bacon (crisp) and break into pieces. Add to above thickened mixture with a little of the grease. Use on endive or any salad greens.