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