Chocolate Chess Pie

1 ½ c. sugar
2 eggs,beaten
3 ½ T. cocoa
½ stick margarine,melted
1 small can Pet milk
½ t. vanilla

Mix sugar and cocoa. Beat eggs in separate bowl. Add rest of ingredients to cocoa and sugar. Add eggs and pour into unbaked pie shell. Bake at 350 degrees for 40 minutes.