Combine all ingredients listed above in a jar or container that can be sealed and stir well.
Store in the fridge overnight.
Add more milk in the morning if needed.
Cinnamon Drizzle: If you want to add a cinnamon drizzle, whisk together 1 T maple syrup and ¼ tsp cinnamon. Drizzle over top of oats. Icing Drizzle: whisk 3 tablespoons powdered sugar, 1 tsp melted butter, a drop of vanilla and milk (add 1 tsp at a time) until desired thickness and drizzle over top.
Eat warm or cold.
