Cast Alloy Brioche Molds? professional pastry chefs use molds like these to prepare brioches and soufflés. Made from high quality aluminum cast alloy with 2 coats on non stick on the inside, then stamped and pressed into a fluted shape. This quality cast alloy brioche mold with 2 coats of non-stick, has very good abrasion resistance and cleans easily. Made in Spain with a 10 year warranty.