Mama's Chocolate Pie

Better known as "The Best Chocolate Pie Ever"

1 pie crust (baked 10-15 min)
1 cup milk
1 cup sugar
3 eggs (separated) save whites
3 tblsp Hershey cocoa
3 tblsp flour 
Mix dry ingredients well; mix egg yolks in milk, add to dry mixture.  
Cook on low heat - stir often until thick.  
Pour mixture into crust. 
Blend the egg whites until fluffy...stiff...won't fall..add 1 cap of vanilla.
Add about 1/4 cup sugar and blend some more til fluffy. 
Put that on top of pie and bake @ 425 until golden.