1 (15-ounce) can pureed pumpkin
3 eggs plus 1 egg yolk
1/4 cup sour cream
1 1/2 cups sugar
1/2 teaspoon ground cinnamon
1/8 teaspoon fresh ground nutmeg
1/8 teaspoon ground cloves
2 tablespoon all-purpose flour
1 teaspoon vanilla extract
In medium bowl, combine crumbs, sugar and cinnamon. Add melted butter. Press down flat into a 9-inch springform pan. Set aside.
Beat cream cheese until smooth. Add pumpkin puree, eggs, egg yolk, sour cream, sugar and the spices. Add flour and vanilla. Beat together until well combined.