A simple soup pot with a lid and a stainless steel steamer basket ... To avoid a fire hazard, choose a wide pan. You don't want the sides of the steamer to touch the sides of the pan.
Tim uses a deeper stainless-steel pan so he can toss the contents more easily and even boil or steam food in it. Stainless-steel pans have the same heavy base of a cast iron pan to get that heat ...