This one-bowl recipe for apple pie cake is quick to make and packed with healthy fats and protein. Its naturally grain-free, dairy-free, and refined sugar free. You can make this cake in large batches in advance and freeze them for future use. You can also divvy out the batter into muffin cups for a quick to-go breakfast. This cake is nutritious, filling, and delicious making it a must try for anyone that loves apples, cake, or apple pie.