Using the butter, grease the inside of your slow cooker. To slow cooker add milk, water, oats, brown sugar, vanilla, cinnamon, and salt. Cook, stirring occasionally, on high until oats are done and creamy, about 4 hours.
Dish into bowls and serve with additional brown sugar.
Add a bit of maple syrup to make this oatmeal super sweet!
Serve with additional milk if needed.
Make your morning complete with the addition of a Salted Caramel Coffee.