In a medium-sized bowl or jar, mix together rolled oats, Greek yogurt, chia seeds, and cashew milk until well combined.

Pour in the vanilla extract and the pudding powder, and gently fold them into the oat mixture.

Sprinkle in a handful of colorful sprinkles and fold them gently into the mixture.

Transfer the mixture into a sealable jar or container, ensuring it's packed down slightly.

Seal the jar and refrigerate for a minimum of 4 hours, preferably overnight.

The next morning, stir the oats and top with extra yogurt, fresh fruit, or more sprinkles before serving.