You’ll Need:1 (8-inch) baked pastry shell 1/2 cup butter 3/4 cup granulated sugar 1 (1 ounce) square unsweetened chocolate 1/2 teaspoon vanilla extract 2 eggsDirections : Melt chocolate and let cool. Cream butter; add sugar gradually, creaming well. Blend in cooled, melted chocolate. Add vanilla extract. Add eggs, one at