Grease the inside of the slow cooker with oil or cooking spray.
Add the oats, carrot, brown sugar, coconut, cinnamon and salt and mix together.
Pour in the milk and vanilla extract and stir again until well combined.
Place the lid on the slow cooker and turn on low heat. Allow the oatmeal to cook for ~8 hours.
After the cooking time, mix again to further combine the possible moisture on top of the oats. Serve the oatmeal with desired toppings (my favourites are walnuts, coconut and hemp hearts for some extra protein). Enjoy!