Vanillesosse (Vanilla Sauce) - cooking recipe

Ingredients

1 cup sugar
2 tablespoons cornstarch
1/4 teaspoon salt
1 egg yolk
1/4 cup butter
2 teaspoons vanilla extract
1/4 teaspoon nutmeg

Preparation

Sift together into top of a double boiler the sugar, cornstarch and salt.
Add 2 cups boiling water stirring well. Stirring gently and consistently, bring mixture rapidly to boiling over direct heat and cook for 3 minute
Place top portion over simmering water in bottom half. Cover and cook for 12 min, stirring three or four times.
Slightly beat the egg yolk then, while stirring vigorously, add 3 tbsp of the hot mixture to the yolk. Immediately blend into the double boiler mixture.
Cook over simmering water 3 to 5 min, stirring slowly to keep mixture cooking evenly.
Remove from heat and blend in butter, vanilla extract and nutmeg.
Serve hot.