My Mom'S Potato Salad Dressing - cooking recipe

Ingredients

1/4 c. vinegar
1/4 c. sugar
2 egg yolks

Preparation

Mix in small saucepan over medium heat the vinegar, sugar and egg yolks.
Stir constantly until thickened.
Cool, then add an equal amount of Hellmann's mayonnaise.
For a large bowl of salad, double recipe.