Mix the whey protein powder and the oatmeal together. Add approx. 50 ml tap water and stir so that a thick paste is formed. Pour the mixture into a bowl or tall dessert glass. Layer the skyr, raspberries, and peanut butter on top. Put the porridge in the refrigerator overnight or for at least 4 hours.
The porridge contains approx. 440 Kcal per serving. Nutritional values: carbohydrates 73 g, fat 7 g, protein 45 g