4. A square or rectangular piece of cookware with high sides and a tight-fitting lid that is designed for cooking items first on the range top and then covered in the oven is a __ . 6.

The correct answer is **Dutch oven**. <br /><br />A Dutch oven is a versatile piece of cookware with high sides and a tight-fitting lid, ideal for cooking on the stovetop and then transferring to the oven for slow-cooking, braising, or baking.