Methods and systems for making an edible substrate may include depositing an edible material onto a backing material from a slot-coat applicator, a spray applicator or a combination of thereof, to form a substantially planar image-bearing edible substrate suitable for adherence to an edible material....http://www.google.de/patents/US20060275529?utm_source=gb-gplus-sharePatent US20060275529 - Production of edible substrates