The mixture will keep for up to 2 days. If you don't add the banana, up to 4 days. However, once you are experienced, you'll have no problem whipping up another batch midweek if needed!

1/3 to 1/2 cup liquid such as dairy milk, almond, cashew or coconut milk 1/3 to 1/2 cup old-fashioned rolled oats 1 teaspoon chia seeds 1/2 banana, mashed, optional

Add the desired amounts of milk, oats, chia seeds and banana to a jar or container and give them a good stir. Refrigerate overnight or for at least 5 hours.
In the morning, add additional liquid if you'd like. Once you achieve the desired consistency, top with fruit, nuts, nut butter, seeds, protein powder, granola, coconut, spices, zest or vanilla extract.