Boiled Custard

Directions

1. 1
   Mix flour, sugar and slightly beaten egg yellows together.
2. 2
   Add milk and cool over very low heat or double boiler until it slightly sticks to the spoon or becomes a little thicker, stirring constantly.
3. 3
   Beat egg whites, adding a little sugar (about 1/4 cup) until stiff.
4. 4
   Remove other mixture from heat; add egg whites and whip them in.
5. 5
   Add vanilla and mix well.
6. 6
   Cool in refrigerator. Stir before serving.