Creating this delicious Apple Crisp Cheesecake is straightforward if you follow these steps:

1. Preheat the Oven: Preheat your oven to 325°F (163°C).
2. Prepare the Cheesecake Filling: In a large bowl, beat the softened cream cheese until smooth. Gradually add the granulated sugar and mix until combined. Add the vanilla extract, and then mix in the eggs, one at a time. Finally, add the sour cream and flour, mixing until just combined. Set aside.
3. Prepare the Apple Filling: In another bowl, toss the sliced apples with granulated sugar, cinnamon, and lemon juice. Set aside to allow the flavors to meld.
4. Make the Crisp Topping: In a separate bowl, combine rolled oats, flour, brown sugar, and cinnamon. Pour in the melted butter and mix until the mixture resembles coarse crumbs.
5. Assemble the Cheesecake: In a greased 9-inch springform pan, pour half of the cheesecake filling. Spread the apple mixture evenly over the filling, then pour the remaining cheesecake filling on top.
6. Add the Crisp Topping: Sprinkle the oat crisp mixture evenly over the top of the cheesecake.
7. Bake: Place the springform pan in the preheated oven and bake for 50-60 minutes or until the center is set but still slightly jiggly.
8. Cool: Remove from the oven and let it cool at room temperature for about 30 minutes. Then, refrigerate for at least 1 hour before serving to allow it to set completely.
9. Remove from Pan: Carefully remove the sides of the springform pan and slice the cheesecake into wedges.

These steps will guide you toward creating an incredible Apple Crisp Cheesecake that will impress everyone.