EBC 45.0 - 55.0 Use: All special beers, as well as English ales, brown ales and porters.Rate: Up to 25%. FROM Castle Malting : Castle Malting® Château Biscuit® malt produces a distinctive "toasty" finish in beer with a warm bread and biscuity aroma and flavour. Expect a light to medium warm brown colour of the mash. As a lightly torrefied malt, Château Biscuit® contains no enzymes so must be mashed with diastatic malts.