Thomas Sanladerer made this interesting video on 3d Printshow Berlin 2015 about 3d printing food items on a machine developed by FabLab Maastricht. They also involve local chefs and create food silicone molds for food pieces.
Here is the link to the FabLab page:
http://www.fablabmaastricht.nl/en/research-3dfoodprinting
Here is a video with an interview:
Here is the link to the FabLab page:
http://www.fablabmaastricht.nl/en/research-3dfoodprinting
Here is a video with an interview: