You can leave out the protein powder if you prefer—just substitute it with 1 tablespoon of your preferred liquid sweetener, such as maple syrup, agave nectar, date syrup, or honey.
Feel free to use any type of milk that suits your taste or dietary needs.
Letting the oats refrigerate overnight allows them to fully soak and soften, making them ready to enjoy the next day; however, if you're short on time, letting them sit for 4–5 hours will also work.
Note: The calorie count for this recipe is an approximation. For precise nutritional information, consider using a nutrition calculator of your choice.