Do you dread the sound of the alarm clock? Or have a morning routine so complex you only have time for a cup of coffee on your way out the door? These overnight oats make breakfast possible. Theyâre easy to put together before bed so you wake up to a hearty, nutritious breakfast you can also take with you. All you need is a large (1-pint) mason jarâa clean pasta sauce jar works, too. Bonus points for the hearty oats and chia seeds loaded with antioxidants, fiber, and protein that help keep you full all morning. Save time by making a batch of overnight oats in advance. It will keep in the refrigerator for 2 to 3 days.