Skillets can be made from different types of material. Stainless steel, aluminum, and cast iron are common options. Some skillets are made from a combination of aluminum and stainless steel. Aluminum pans that have a thin gauge (read: not very thick) aren't the best choice since they are more likely to warp.
At its core, the Dutch oven is a heavy-duty pot typically crafted from cast iron or enameled cast iron. Its design features thick walls and a tightly fitting lid, allowing for even heat distribution and moisture retention – essential elements for achieving succulent, flavorful meals.