This healthy vegan Apple Cinnamon Overnight Oats recipe is not only yummy but makes a good case for helping with weight loss. The sweet, crisp apple pairs beautifully with chewy oats, plump juicy raisins, warm cinnamon, and crunchy walnut topping. Overnight oats are a quick, easy, and perfect grab-and-go breakfast for work, school, or traveling. This recipe is gluten-free, soy-free, and has no added sugar.