Heat oven to 350. Mix flour, butter and confectioner's sugar. Press
in ungreased square pan, 8x8x2" , building up a 1/2" edge. Bake 20
Beat remaining ingredients about 3 minutes or until light and fluffy.
Pour over hot crust. Bake about 25 minutes longer or just until no
imprint remains when touched lightly in center. Cool. cut into