24 packet(s)sweetener or 1-cup measurable sweetener
2 tsp.ground cinnamon
1 tsp.ground ginger
1/2 tsp.ground cloves
Step 1 Mix graham cracker and gingersnap crumbs, three packets sweetener, and melted margarine in bottom of 8 or 9-inch springform pan; reserve 2-tablespoons crumb mixture. Pat remaining mixture evenly on bottom and 1/2-inch up side of pan. Bake in preheated 350-degree oven until crust is lightly browned, about eight minutes. Cool on wire rack. Reduce oven temperature to 300-degrees.
Step 2 Beat cream cheese until smooth in mixing bowl; beat in pumpkin, eggs, and egg whites. Mix in 24 packets sweetener (or 1-cup), cornstarch and spices. Pour mixture into crust in pan. Wrap bottom of springform pan with aluminum foil and place in roasting pan on middle oven rack; add 1-inch of hot water to pan. Bake in preheated 300-degree oven just until set in center, 45 to 50 minutes.
Step 3 Remove cheesecake from roasting pan; sprinkle with reserved crumbs and return to oven. Turn oven off and let cheesecake cool with door ajar for 3 hours. Refrigerate 8 hours or overnight. Remove side of springform pan before serving.