Nutella Biscuits Tubo T/12 is Nutella Biscuits in a 12-biscuit tube. The product combines a crisp wheat biscuit made with brown sugar with a creamy Nutella centre; the filling represents 40% of the recipe according to the current Italian product information. The format gives buyers a familiar Nutella flavour in a portionable biscuit rather than a spread-only occasion.