Y - Fenni, 1.5kg, whole wheel - £39.80Price on 28-Oct-09 from London Fine Foods Group.Y-Fenni is made from mature cheddar cheese blended with wholegrain mustard and Welsh ale. The mixture is then pressed firmly into moulds and then coated in a pale yellow wax. It has a full tangy mustard flavour, moist texture, pale-yellow colouring speckled with the mustard grains