JimS Favorite Chocolate Pie

Ingredients
- 1 pie shell baked
- 14 c flour
- 2 eggs separated
- 1 Tbsp margarine
- cream of tartar
- 12 c sugar
- 2 Tbsp cocoa
- 2 c milk
- 1 tsp vanilla
Directions
- Combine sugar flour cocoa egg yolks milk margarine and vanilla
- Cook in double boiler until thick
- Pour into pie shell Top with stiffly beaten egg whites sweetened to taste
- Add cream of tartar to thicken
- Bake at 350 until brown