Why French Cooks Use Copper Pots for Jam And Americans Use the Wrong Pan
Copper jam basins are not decorative antiques. French confituriers still use them because copper conducts heat evenly and accelerates fruit pectin setting, shortening cooking time. As of May 2026, research confirms that this fast gelation means less free water, higher sugar concentration, and jams that resist mold. Stainless steel can make jam, but the batch …











