1.
In a 4-to-6-quart slow cooker, combine steel cut oats, water, milk of choice, unsweetened applesauce, pure maple syrup, cinnamon, vanilla and salt.
2.
Cover the slow cooker and let the oatmeal cook on low for 6-8 hours for overnight preparation, or on high for 3 to 4 hours.
3.
Give the oatmeal a gentle stir and scrape any oats from the bottom and sides of the slow cooker, mixing them evenly into the oatmeal.
4.
Ladle your warm and fragrant apple cinnamon oatmeal into bowls and add your favorite toppings.