Make the Crust: Combine crumbs, melted butter, and salt. Press into a springform pan and bake 8–10 minutes.
Prepare the Filling: Beat cream cheese and sugar until smooth. Add eggs, cocoa, melted chocolate, vanilla, and heavy cream.
Bake the Cheesecake: Bake in a water bath for 50–55 minutes until just set. Cool gradually, then chill for 4+ hours.
Make the Cherry Topping: Simmer cherries with sugar and lemon juice. Thicken with cornstarch. Add kirsch if desired.
Whip the Cream: Beat heavy cream with powdered sugar and vanilla until stiff.
Decorate: Top cheesecake with cherries, whipped cream, and chocolate curls.
