This Baked Oatmeal features tender apple, warm cinnamon, and pantry basics to make a delicious make ahead breakfast casserole. This Apple Cinnamon Baked Oatmeal is hearty, filling, and perfect to stash in the freezer. This is the perfect way to use up those apples from apple picking, or the last few left in your fruit bowl. Naturally gluten free, with easy dairy free substitutions. This is a family favorite breakfast recipe that is sure to make it on your breakfast meal plan again and again!