This apple cinnamon oatmeal cake is a healthy and delicious dessert that's perfect for any time of the day. It's made with rolled oats, whole wheat flour, and applesauce instead of oil. The cake is moist, tender, and packed with fiber and nutrients. To make this cake, you'll need rolled oats, whole wheat flour, baking powder, cinnamon, salt, coconut sugar, eggs, unsweetened applesauce, vanilla extract, and chopped apples. Mix the dry ingredients in one bowl and the wet ingredients in another. Combine the two mixtures and fold in the chopped apples. Pour the batter into a greased baking pan and bake for 35-40 minutes. Serve warm or at room temperature.