Rude Health Soft and Fruity Bircher Muesli is an original soft and fruity Swiss muesli. Muesli is a cold breakfast cereal dish based on rolled oats, grains, nuts, seeds and dried fruits. Milled these oats extra fine, so they go soft and creamy immediately. The fruits chopped really small, so the sweetness spreads through the milk, making a kind of fruity porridge.