Take your pumpkin pie to go with these handy pumpkin pie bars.
Combine flour and brown sugar; cut in butter to make a crumb mixture; stir in nuts. Reserve 3/4 cup of mixture for topping. Press remaining mixture into an 8-inch-square pan. Bake at 350 degrees for 15 minutes. Cool slightly. Combine cream cheese, sugar, pumpkin, eggs, cinnamon, allspice and vanilla; blend until smooth. Pour over baked crust. Sprinkle with reserved crumbs. Bake for an additional 30 to 35 minutes. Cool before cutting.