Chocolate Skillet Pie

Directions

1. 1
   Mix sugar, flour and cocoa.
2. 2
   Slightly beat yolks and add milk. Melt margarine in heavy skillet.
3. 3
   Stir in sugar mixture until well blended.
4. 4
   Remove from heat and add egg and milk mixture.
5. 5
   Return to heat and stir until mixture thickens.
6. 6
   Add vanilla and pour into crust.
7. 7
   Beat egg whites until stiff.
8. 8
   Add 6 tablespoons sugar, one at a time, and cream of tartar.
9. 9
   Spread over chocolate.
10. 10
    Bake at 325° until brown.