Chocolate Pie

Directions

1. 1
   Mix sugar, flour and cocoa very well.
2. 2
   Add egg yolks and milk. Cook 4 minutes in the microwave on Medium-high.
3. 3
   Stop and stir with a wire whisk.
4. 4
   Add butter and vanilla flavoring.
5. 5
   Cook 4 more minutes.
6. 6
   Add mixture to a cool, baked pie crust.
7. 7
   Let pie set 2 to 3 hours before serving.
8. 8
   Cool Whip is optional.