Mrs. Rose'S Potato Salad Dressing
["1 c. sugar", "1 Tbsp. cornstarch", "1 egg", "1 c. milk", "1 Tbsp. mustard", "1/2 c. vinegar"]
["Cook all but vinegar until thickens, then add vinegar slowly. Let cool and then add 1 pint of Miracle Whip.", "Makes a generous portion; keeps well."]
["sugar", "cornstarch", "egg", "milk", "mustard", "vinegar"]