The present invention is directed to a powder spray apparatus for preparing a food product having an edible pearlescent coating, comprising: a spray zone having a spray device positioned proximate to at least one food product located in the spray zone for application of an edible pearlescent powder to the food product a chamber for holding the edible pearlescent powder that is in fluid communication with the spray device and a vibrator and/or a continuous forced air supply that assists in fluidizing the edible pearlescent powder in the chamber for delivery to the spray device. A method of using this apparatus and an edible pearlescent powder composition adapted for use in this apparatus are also disclosed.