Place four jars on a flat surface. Fill each jar with ½ cup old-fashioned oats, ¾ cup milk, ¼ cup cottage cheese, and ½ teaspoon vanilla. Stir to combine. Seal the jars with the lids and refrigerate overnight for up to 4 days.
If you want to add berries to your jar, the oats will last 2 days in the fridge. After that, the texture of the berries changes.
Serve:
In the morning, stir to combine the contents of the jar. Warm up if desired, or enjoy them cold. Top with fresh fruit.