Cathy Ricketts served me these deliciously sweet and tart treats with hibiscus ice tea and I was smitten. Looking over the recipe it seems very easy and well worth the effort. Enjoy! KIM B. MCKINNEY INGREDIENTS 2 cups flour 1 cup butter or margarine 1/2 cup powdered sugar PREPARATION Sift together flour and sugar; cut in butter. Knead and pat into an 8-by-12-inch glass cake pan. Bake at 350…