The glass ceramic panels are non-transparent and have at least one
decoration. In order to fulfill the requirements for a glass ceramic
panel that provides a cooking surface for a cooking unit in a variety of
different pleasing colors, especially a creamy white color shade
(BISQUE), in an economical manner, the glass ceramic panel has a
predominant crystalline phase of keatite mixed crystals and a
full-surface decorative coating that covers at least 80 percent of the
upper smooth surface of the glass ceramic substrate. The full-surface
decorative coating is provided in a different color from,the glass
ceramic panel. Methods for making these glass ceramic panels are
described.