Step 1

Grease the bottom and sides of the slow cooker insert using coconut oil, cooking spray, or butter.

Step 2

Combine the steel-cut oats, water, milk, maple syrup, brown sugar, cinnamon, vanilla, and salt together in the slow cooker.

Step 3

Place the lid on the slow cooker and cook for 6 hours on low for a firm texture and 8 hours on low for a softer texture. Alternatively, cook on high for 3-4 hours.

Step 4

To serve, dish up oats and top with additional maple syrup and chopped nuts if desired.