1 c. sugar
1 tsp. dry mustard
1/2 tsp. salt

Mix together and add to eggs, then to hot vinegar, stirring well each time.

1 c. hot vinegar
2 beaten eggs

Cook in double boiler, stirring often until thick. Can be cooked in microwave starting on High for 1 minute, stir and repeat every 30 seconds as needed.

Beat with rotary beater if lumpy. Cool. Thin with whole milk or Half and Half for potato salad. Will keep indefinitely without cream (in refrigerator).