Pumpkin Spiced Toffee Thins

1 c. butter- softened
1 c. brown sugar
1 egg- seperated
1 Tbl. vanilla
2 c. flour
1 tsp. pumpkin pie spice
1 8oz. pkg. toffee bits


Beat the butter and sugar until creamy. Add the egg yolk and vanilla mixing until combined. Gradually add flour and spice, until all is combined, then stir in toffee bits. Press evenly into a greased 15x11 pan. Lightly beat the egg white and brush over the toffee mixture. Bake at 350 for 11-13 minutes, or until lightly browned. Let cool 5 minutes; cut into desired shapes. Let cool completely before removing from pan.