Chocolate Pie

Directions

1. 1
   Mix well flour, sugar and cocoa together.
2. 2
   Stir in 2 cups milk and heat on low heat.
3. 3
   When warm, beat the remaining 1/2 cup of milk with the egg yolks.
4. 4
   Pour into warm mixture slowly, stirring constantly, until mixture thickens.
5. 5
   Add margarine.
6. 6
   Pour in baked pie shell.