Salad Dressing - cooking recipe

Ingredients

1 c. sugar
4 egg yolks and whites of 2
1 tsp. salt
1 tbsp. cornstarch
1 tsp. pepper
1 Tbsp. dry mustard
lump of butter (size of egg)
1 c. vinegar

Preparation

Cook in double boiler until thick.
Put into quart jar.
Will keep in refrigerator indefinitely.
Dilute with cream when used.