Boiled Custard - cooking recipe

Ingredients

2 qt. milk
6 eggs, separated
1/4 tsp. salt
1 c. sugar
1 Tbsp. flour
1 tsp. vanilla

Preparation

Pour milk into double boiler.
Beat egg yolks.
Add sugar and flour.
Pour into milk and cook until thick.
Cool custard.
Beat egg whites and vanilla.
Add to custard.