This twist on a classic dessert starts with a crust made with ginger snap cookies instead of the more traditional graham crackers. Photo by Nick Hogan. Ingredients For homemade whipped topping ½ cup cold water 2 teaspoons unflavored gelatin 2-¼ cups heavy whipping cream ¼ cup powdered sugar, sifted 3-¼ teaspoons vanilla extract For pie 1-½ cups crushed ginger snaps ¼ cup butter, melted 1 (8-ounce) package cream cheese, softened 1 (14-ounce) can sweetened condensed milk 1-½ ta