Combine the rolled oats, yogurt, mashed banana, vanilla extract, ground cinnamon, and honey in a mixing bowl. Stir thoroughly until the mixture is evenly coated and the oats begin to soften.
Pour the mixture into a jar or a sealable container, spreading it out evenly. Cover the jar tightly with a lid or plastic wrap.
Place the jar in the refrigerator and let it soak overnight or for at least 6 hours, allowing the oats to absorb the flavors and become tender.
Once ready, remove the jar from the fridge and give the oats a gentle stir. The mixture should look creamy and slightly thickened with soft oats.
Slice additional bananas or sprinkle cinnamon on top for extra flavor and visual appeal. Optionally, add a drizzle of honey or maple syrup.
Enjoy the overnight oats straight from the jar, with a spoonful of yogurt or fresh toppings for a satisfying breakfast.
