Bring milk to boil. Add in butterfly pea flower and cook until the milk turns blue.
Remove the flower and set the milk aside.
Place Dr. Oetker Instant Oats, blueberry yogurt drink, butterfly pea flower milk and chia seeds in a mason jar, stir well.
Add in sultanas and grapes.
Cover and keep in the refrigerator overnight and enjoy.
Overnight oats can be stored in the refrigerator up to 5 days!