Get up to 65% off Martha Stewart cast-iron cookware at Macys.com when you use promo code FRIEND at checkout. The pictured 6-Quart Round Dutch Oven in a variety of colors, once $179.99, drops from $89.99 to $62.99 with code FRIEND. This is 65% off and the lowest price we could find. And check out the 2-Quart Cast-Iron Heart-Shaped Casserole, which drops from $99.99 to $49.99 to $34.99 with the same code. Shipping is free when you spend $25, otherwise it adds $10.95. Free store pickup may be available in your area. Sales tax is charged in most states.