Make Ahead. These can be made ahead and refrigerated for later use. I recommend storing them no more than 2-3 days before serving. Reheat them in the oven at 350°F for about 5 minutes. The glaze ...

3D printing startup Structur3D created a 3D printer add-on called Discov3ry, which can create a paste from all sorts of materials, including plastic, silicone, wood filler, and yes, Nutella.