Crust 1 cup graham cracker crumbs 2 tablespoons flour 2 tablespoons granulated sugar 4 tablespoons unsalted butter, melted
Filling 12 ounces butterscotch chips 1/4 cup heavy cream 16 ounces cream cheese, softened 1/2 cup firmly packed light brown sugar 4 large eggs, at room temperature 1 cup sour cream 2 tablespoons flour 1 tablespoon vanilla extract