Boiled Custard

Directions

1. 1
   Beat egg yolks until lemon colored.
2. 2
   Stir in sugar and flour. Add Pet milk and sweet milk.
3. 3
   Cook in double boiler until mixture begins to thicken.
4. 4
   Beat egg whites and cream of tartar until stiff.
5. 5
   Stir into custard and cook until thick.
6. 6
   Remove from heat and add vanilla.
7. 7
   Chill before serving.
8. 8
   Makes 1 gallon.