Almost-Famous Pumpkin Cheesecake

INGREDIENTS

• 1 15-ounce can pure pumpkin
• 12 tablespoons unsalted butter, melted
• 6 large eggs, at room temperature, lightly beaten
• 2 1/2 cups graham cracker crumbs
• 2 3/4 cups sugar
• 1 tablespoon vanilla extract
• 1/4 cup sour cream
• 2 pounds cream cheese, at room temperature
• 2 1/2 teaspoons ground cinnamon
• 2 cups sweetened whipped cream
• 1/3 cup toasted pecans, roughly chopped
• 1 teaspoon ground ginger
• Salt
• 1/4 teaspoon ground cloves