BEAT dressing, cake mix, eggs, water and cinnamon at medium speed with electric mixer for 3 minutes.
STIR in carrots and walnuts. Pour into greased 13 x 9 inch (33 x 23 cm) baking dish.
BAKE at 350°F for 40 to 45 minutes or until wooden pick inserted in centre comes out clean. Cool completely and frost with your favourite frosting.