philadelphia cheesecake recipe

Ingredients: For the Crust: 1 1/2 cups graham cracker crumbs 1/4 cup granulated sugar 1/2 cup unsalted butter, melted For the Cheesecake Filling: 4 (8-ounce) packages cream cheese, softened 1 cup granulated sugar 1 teaspoon vanilla extract 4 large eggs 1 cup sour cream 1/4 cup all-purpose flour