Fudge Pecan Pie

1 9" unbaked pie shell

1/3 c Butter or margarine

1/3 c Hershey`s cocoa

2/3 c Sugar

1/4 t Salt

3 Eggs,slightly beaten

3/4 c Light corn syrup

1 c Chopped pecans,optional

1 c Pecan halves

Heat oven to 375 degrees.Melt butter over low heat;add cocoa and stir until smooth.Remove from heat;cool slightly.Stir in sugar, salt,eggs and corn syrup.Blend thoroughly.Stir in chopped nuts,if desired.Pour into unbaked pie shell.Place pecan halves over top.Bake for 40 minutes.Cool.Let stand 8 hours before serving.Garnish with sweetened whipped whipping cream or whipped topping.Makes 8 servings.