Chocolate Pie

Directions

1. 1
   Mix flour, sugar, cocoa and salt.
2. 2
   Beat egg yolks; add milk and vanilla.
3. 3
   Stir into first mixture.
4. 4
   Add butter.
5. 5
   Cook over medium-high heat until mixture thickens and begins to boil.
6. 6
   Pour into a baked pie shell.
7. 7
   Beat egg whites (gradually add 1/3 cup of sugar and 1/8 teaspoon cream of tartar).
8. 8
   Beat mixture until stiff.
9. 9
   Pile whites on pie.
10. 10
    Spread and seal edges.
11. 11
    Bake until lightly browned.