Boiled Mayonnaise Dressing No. 1

• 2 teaspoons sugar
• ½ teaspoon salt
• ½ teaspoon

Mix the first four ingredients, stir in the vinegar and boil all together. Rub the butter and flour to a cream and pour on the boiling vinegar. Cook 5 minutes and then pour it gradually over the well beaten yolk. Mix while hot with cabbage or potatoes. For potato salad add 1 cup sweet or sour cream or