01 - Preheat oven to 350°F. Line the bottom of a 9-inch springform pan with parchment paper.
02 - Combine crushed gingersnap cookies, melted butter, brown sugar, cinnamon, and salt. Press mixture firmly into the bottom of the pan. Bake for 8 minutes, then remove and cool slightly.
03 - Reduce oven temperature to 325°F.
04 - Beat cream cheese until smooth. Add brown sugar and molasses, mixing thoroughly.
05 - Add eggs one at a time, beating well and scraping the bowl’s sides after each addition.
06 - Blend in sour cream, ground ginger, cinnamon, nutmeg, cloves, salt, and vanilla until just combined; avoid overmixing.
07 - Pour filling onto the prepared crust. Tap gently to remove air bubbles.
08 - Place pan on a baking sheet and bake for 60 to 70 minutes until edges are set and center remains slightly jiggly.
09 - Turn off oven and crack the door open. Let cheesecake cool inside for 1 hour, then remove and chill for at least 4 hours or overnight.
10 - Whip cold heavy cream with powdered sugar until stiff peaks form. Spread or pipe over chilled cheesecake and decorate with gingerbread cookies.
11 - Slice and serve chilled.