Cast iron possesses exceptional heat-retaining qualities, so the pots heat evenly throughout. With a heavy weight, tight-fitting lid that retains moisture and tiny spikes on the lid interior that create a rain-forest effect evenly returning juices back onto food, you can expect perfectly cooked dishes every time. Cast iron possesses exceptional heat-retaining qualities, so the pots heat evenly throughout. With a heavy weight, tight-fitting lid that retains moisture and tiny spikes on the lid interior that create a rain-forest effect evenly returning juices back onto food, you can expect perfectly cooked dishes every time. Rooted in French culinary heritage, Staub cookware is beloved by professional and home chefs for its exquisite craftsmanship, exceptional performance, and timeless beauty. Built to last a lifetime, each cocotte effortlessly transitions from the oven to the table, allowing you to cook and serve all in the same dish.