Organic Yoghurt Coated Rice Cakes 100g (Biona). Yoghurt Dipped Organic Rice Cakes Biona Organic Rice cakes are fantastic as a snack or on the go. These yoghurt coated rice cakes are the ideal snack for both kids and adults alike. A crisp light rice cake topped with a creamy layer of yoghurt provides the perfect mid-morning snack or lunch box filler.