Pre-heat oven to 350°F. Line 9" x 13" pan with foil and grease.
In a bowl, make the crust by combining flour, cinnamon, sugar and nuts. Cut in Baker's Best margarine until blended. Press crust mixture in prepared pan and bake for 10 minutes.
To make the filling, sift together flour and baking powder. Set aside.
Beat eggs and sugar until thick. Fold in dry ingredients and grated cheese. Pour onto prepared crust and bake for 15 - 20 minutes or until done. Let cool before slicing into bars. Dust with powdered sugar.