Add the oats, chia, strawberries, blueberries, and milk to a Mason jar.
Shake and place in the refrigerator for 4 hours to overnight.
Sweeten to your liking, and serve.
½ cup gluten-free old-fashioned oats
1 tablespoon chia seeds
4 strawberries, chopped
½ cup blueberries
2/3 cup milk (your choice)
Stevia, to taste (optional)