Independent Dream Cake
["1 pkg. (2-layer) yellow or white cake mix", "1 envelope whipped topping mix", "4 eggs", "1 c. cold orange juice", "1 Tbsp. grated orange rind", "1 Tbsp. (about) orange juice", "1 c. sifted confectioners sugar"]
["Gradually add orange juice to confectioners sugar, blending well.", "Makes 1/3 cup."]
["eggs", "orange juice", "orange rind", "orange juice", "confectioners sugar"]