Mix all cake ingredients together and pour into 9 x 13-inch oblong pan. (This batter will be stiff, almost like a dough). Bake at 350°F for 45 minutes or until cake tester comes out lean when inserted in center of cake. Cook icing ingredients in small saucepan 2 1/2 minutes and pour over warm cake. One little secret to make this cake even better is to add 1/4 teaspoon of cinnamon to the icing.