
Prepare the Spiced Apple Filling:
Cook sliced apples with butter, brown sugar, spices, and a cornstarch-water slurry over medium heat until tender. Let cool.

Make the Graham Crust:
Combine graham cracker crumbs with melted butter and press into a greased 9-inch springform pan. Bake at 350°F (175°C) for 10 minutes.

Create the Cheesecake Batter:
Beat softened cream cheese until smooth. Add sugar, eggs, sour cream, vanilla, and spices. Mix until creamy.

Assemble the Cheesecake:
Pour half of the cheesecake batter onto the crust, layer with half the apple filling, and top with the remaining batter.

Bake in a Water Bath:
Place the cheesecake in a water bath and bake at 350°F (175°C) for 1 hour 30 minutes. Let cool in the oven with the door slightly open for 1 hour, then refrigerate for 6-12 hours.

Prepare the Crumble Topping:
Mix oats, flour, sugar, and cold butter until crumbly. Bake on a baking sheet at 350°F (175°C) for 15-20 minutes, stirring occasionally.

Make the Salted Caramel Sauce:
Melt sugar in a saucepan until golden brown. Stir in butter and heavy cream until smooth, then mix in a pinch of sea salt. Cool.

Decorate and Serve:
Top the cheesecake with the remaining apple filling, sprinkle with crumble, and drizzle with salted caramel. Slice and savor the magic!