Callebaut Chocolate Decoration Taco Pure 16pcs. The Callebaut Chocolate Decoration Taco Pure 16pcs are made of dark chocolate and come in the shape of a taco. You can of course snack from the taco, but they are also perfect for adding your own twist. You can fill them with variations of flavours and fillings. For instance, you can fill them with caramel, ice cream, mousse, cream and ganache, and then decorate them. The taco shells have a width of 10 centimetres, a height of 5 centimetres and a depth of 4 centimetres.