Chocolate Pie

Directions

1. 1
   Add chocolate to milk; heat in double boiler.
2. 2
   When chocolate is melted, beat with rotary eggbeater to blend.
3. 3
   Combine 3/4 cup sugar, flour and salt.
4. 4
   Add gradually to chocolate mixture and cook and stir until thickened.
5. 5
   Then cook 10 minutes, stirring frequently.
6. 6
   Pour a small amount of chocolate mixture into egg yolks, stirring vigorously.
7. 7
   Return to double boiler and cook and stir 2 minutes longer.
8. 8
   Add butter and vanilla.
9. 9
   Cover and cool. Turn cold chocolate filling in shell.