Chocolate Pie

Directions

1. 1
   Scald milk in top of double boiler.
2. 2
   Combine sugar, flour and cocoa in a bowl; add enough of hot milk to make paste.
3. 3
   Return to double boiler and stir until thickened.
4. 4
   Cover and cook 10 minutes.
5. 5
   Add small amount of hot mixture to the 3 well beaten egg yolks.
6. 6
   Mix well and return to boiler.
7. 7
   Cook 2 minutes, stirring constantly.
8. 8
   Remove from heat and add vanilla and butter.