Müller Corner are the perfect combination of delicious thick and creamy yogurt with either a fruit compote, crunchy chocolate or granola! No artificial colours, preservatives or sweeteners and a source of protein, with a variety of delicious flavours for you and the family to enjoy, Müller Corner yogurts allow you the freedom to mix it your way.. Source of Protein. No Artificial Preservatives, Sweeteners, or Colours. Suitable for Vegetarians. Müller.