Rhubarb Dream Dessert
["1 c. flour", "1/2 c. butter", "5 Tbsp. powdered sugar"]
["Blend together and press mixture into ungreased 7 1/2 x 11 1/2-inch baking dish.", "Bake at 350\u00b0 for 15 minutes."]
["flour", "butter", "powdered sugar"]