1/2 cup margarine
2 tablespoons all-purpose flour
3 teaspoons baking powder
1/2 teaspoon baking soda
1 cup peanut butter
1 1/2 cups brown sugar
2 eggs
1 (9 inch) prepared chocolate cookie crumb crust
Preheat oven to 350 degrees F (175 degrees C).
In a medium bowl, cream together margarine and flour. Beat in brown sugar, eggs and peanut butter. Stir in peanut butter mixture. Fold in the brown sugar mixture. Spread evenly into pie crust.
Bake in preheated oven for 45 minutes, or until toothpick inserted in center comes out clean. Allow to cool slightly, then frost with white chocolate frosting and candy glaze.