Chocolate Pie

Directions

1. 1
   Combine
2. 2
   cocoa,
3. 3
   1 1/2 cups sugar and flour in a medium saucepan;
4. 4
   set
5. 5
   aside.
6. 6
   Beat
7. 7
   egg yolks.
8. 8
   Gradually stir yolks and milk
9. 9
   into
10. 10
    cocoa mixture;
11. 11
    add butter.
12. 12
    Cook over medium heat until
13. 13
    thick, stirring constantly. Remove from heat and stir in vanilla.
14. 14
    Pour filling into baked pastry shell.