4 egg yolks
1 teaspoon Salt
2 teaspoon Dry mustard
6 tablespoon Vinegar
3 cups salad oil
3 tablespoon Flour or cornstarch
1 cup boiling water
2 tablespoon Sugar
1/4 cup vinegar
1 tablespoon Salt
With mixer blend egg yolks, 1 teaspoon Salt., 2 tablespoon sugar, and 2 Tbsp, vinegar. Very slowly add 1 cup oil, a few drops at a time, and mix thoroughly. Add remaining oil, a little faster but be careful to blend each addition before adding more oil. When all oil has been added, add 4 tablespoon Vinegar. Now put remaining ingredients in a saucepan and cook to a smooth paste. Add this hot mixture to the mayonnaise and blend well. Pour in a container and cool in the refrigerator.
Makes slightly more than 1 quart.