For chocolate curl garnish, use a vegetable peeler to shave the smooth underside of a large chocolate bar.
The doneness of a cheesecake is difficult to determine. A cheesecake is completely cooked when a 3-inch circle in the center is still wobbly and shaky. Overcooked cheesecake may crack on the surface.
Prepare the cheesecake up to two days in advance; wrap it tightly in the springform pan and keep refrigerated. Add the whipping cream and garnish just before serving.