caramel apple cake

~Cake~; In a large bowl combine the flour splenda baking soda cinnamon and salt. Combine egg and apples. Add to flour mixture and mix well.Transfer to a 8-inch square baking pan coated with non stick spray. Bake at 350 degrees for 20 to 25 minutes or til a toothpick inserted in center comes out clean. ~Sauce~; In a small nonstick pan combine the brown sugar flour and salt. Gradually add water. Stir until smooth. Cook and stir constnatly over medium heat until mixture come to a boil. Cook and stir 1-2 minutes longer or until thickened. Remove from heat and stir in light margarine; and vanilla. Pour over cake and serve warm or cold. This cake is equally good without the sauce and without this is a 2 point dessert!