Cream Salad Dressing - cooking recipe

Ingredients

2 eggs (yolks only)
1 Tbsp. sugar
3 Tbsp. vinegar
1 tsp. butter
1/2 tsp. mustard
salt and pepper
1/2 c. cream, well whipped

Preparation

Beat eggs well.
Add sugar and seasonings, then vinegar.
Cook in double boiler, stirring all the time, until about the thickness of rich cream.
Take from the fire and beat in cream.