Step 1: Prepare the Crust - Combine crushed Oreo cookies, melted butter, and salt in a bowl. Press into a greased 9-inch springform pan. Bake at 350°F for 10 minutes. Let cool.
Step 2: Make the Cheesecake Filling - Beat cream cheese until smooth. Gradually add sugar, then eggs one at a time. Mix in heavy cream and vanilla until smooth.
Step 3: Add Caramel and Pecans - Fold in pecans and half of the caramel sauce into the cheesecake batter. Pour over cooled crust.
Step 4: Bake the Cheesecake - Bake at 325°F for 55-60 minutes until edges are set. Turn off oven and leave cheesecake inside for 1 hour to cool.
Step 5: Prepare the Ganache - Melt chocolate, heavy cream, corn syrup, and vanilla in a double boiler. Stir until smooth.
Step 6: Assemble the Cheesecake - Drizzle remaining caramel over cooled cheesecake. Pour ganache over the top and garnish with pecans.
Step 7: Chill and Serve - Refrigerate for at least 4 hours before serving. Remove sides of springform pan, slice, and enjoy!