1. Put the oats in a saucepan, add water and a pinch of salt. Bring to the boil and simmer for 4-5 minutes, stir from time to time and watch carefully so it does not stick to the bottom of the pan.
2. Mix the casein with water until wished texture. Slice the banana.
3. Serve the porridge with the casein-pudding, sliced banana and berries!