Pumpkin Cheesecake

Bahan-bahan (12 porsi)

• 2 ½ cups graham cracker crumbs
• ½ cup melted butter
• 24 ounces cream cheese (room temperature, 3 blocks)
• 1 ¾ cups granulated sugar
• 1 ½ cups pumpkin puree
• ½ cup sour cream (room temperature )
• 3 large eggs (room temperature )
• 1 tablespoon vanilla extract
• 1 tablespoon pumpkin pie spice
• whipped cream ( sweetened, for serving)