03Place the pie on a baking sheet and bake until the outer 2 to 3 inches are slightly puffed and dry looking and the center is set, 35 minutes. A wooden skewer inserted into the center should come out with some moist batter still attached. Cool the pie completely on a rack.04Cut the pie into wedges and serve with ice cream or whipped cream, if using.05Preheat the oven to 350 degrees F. Blend the biscotti, butter and sugar in a food processor until the crumbs are moist and stick together when pressed. Firmly press the crumb mixture over the bottom and up the sides of a 9-inch glass pie dish, building up a high rim. Bake the crust until golden and feels firm to the touch, 15 minutes. Cool the crust completely.