Dutch ovens are essential for tasks like braising meat and cooking up hearty stews, but they are also quite large, and take up more than their fair share of oven real estate. To use your Dutch oven to braise and roast at the same time, just flip the lid over.
Photos by America's Test Kitchen.
You can get the basic idea from photo above, but all you need to do is remove the lid, wrap it foil, flip it over, put it back on top and the place vegetables you wish to roast on top of the inverted lid. Not only does this save oven space, but now you only have a single dish to wash.
5 Innovative Tips for Dutch Oven Users [America's Test Kitchen]