Black Forest Pie

Ingredients

• 1 baked pie crust
• 3/4 cup sugar
• 1/3 cup unsweetened cocoa
• 2 tablespoons flour
• 1/4 cup margarine
• 1/3 cup water or nondairy creamer
• 2 eggs, beaten
• 1 large can cherry pie filling
• 1 container Rich whip
• 1 oz. unsweetened chocolate, coarsely grated