Bircher-Benner Muesli

3 tbsp. water
3-5 tbsp. oat flakes
1 tbsp. fresh curdled milk or natural yogurt
juice of 1 lemon
1 apple
raw ground nuts

Mix water with oat flakes and soak overnight. In the morning, add curdled milk or natural yogurt and the lemon juice. Grate the apple with its peel over the mixture and sprinkle some raw, ground nuts on top.

Source: Encyclopedia of Natural Healing by Siegfried Gursche and Zoltan Rona