Love cast iron dishes? Macy’s has the Martha Stewart Blueberry Collector’s Cast Iron 6 Qt. Casserole on sale for only $49.23! (Reg. $179.99) Make your favorite dishes and stick this in the oven up to 500 degrees! Be sure to select in-store pickup or add a beauty item to your cart to avoid shipping fees. Otherwise orders of $99 or more will ship free.