Sumo Ricotta Cheesecake with Chocolate Crumb Crust Serves 8 to 10 For the Crust 1 1/2 cups finely ground Nabisco Famous Chocolate Wafer cookies (about 25 cookies) (ground in a food processor) 2 Tbs. granulated sugar 1/4 cup unsalted butter, melted 1. Preheat the oven to 350°F. Coat the inside of a 9-1/2-inch fluted tart …