For the Apple Filling:

• 4 medium apples (588 grams)
• 3 tbsp salted butter
• 1-2 tbsp apple cider or water
• 1/3 cup light brown sugar, packed
• 1 and 1/4 tsp cinnamon
• 1/2 tsp nutmeg
• 1/4 tsp ground cloves
• 1/8 tsp allspice
• 1-2 tsp lemon juice
• 2 tsp cornstarch
• 2 tsp water

For the Crust:

• 3 cups cinnamon graham cracker crumbs (300 grams)
• 1/2 cup + 3 tbsp salted butter, melted (155 grams)

For the Cheesecake:

• 32 ounces cream cheese, at room temperature
• 1 and 1/2 cups granulated sugar (308 grams)
• 4 large eggs, at room temperature
• 1 cup full-fat sour cream, at room temperature (240 grams)
• 2 tsp vanilla extract
• 1 tsp cinnamon
• 1/4 tsp nutmeg
• 1/8 tsp ground cloves

For the Apple Topping:

• 4 medium apples (588 to 625 grams)
• 3 tbsp salted butter
• 1-2 tbsp apple cider or water
• 1/3 cup brown sugar, packed
• 1 and 1/4 tsp cinnamon
• 1/2 tsp nutmeg
• 1/4 tsp ground cloves
• 1/8 tsp allspice
• 1-2 tsp lemon juice
• 2 tsp water
• 2 tsp cornstarch

Crumble Topping:

• 1/4 cup all-purpose flour (33 grams)
• 1/2 cup old-fashioned whole rolled oats
• 1/4 cup brown sugar, packed (55 grams)
• 1/2 tsp cinnamon
• 1/8 tsp salt
• 1/4 cup cold salted butter, cubed (4 tbsp or 57 grams)
• 1 cup granulated sugar (210 grams)
• 6 tbsp salted butter, cubed (85 grams)
• 1/2 cup + 1 tbsp heavy cream
• Pinch of flaky sea salt