I've been known to create a DIY double boiler by stacking a metal mixing bowl on top of a pot when I'm in a hurry. But the Lekue Mirage Silicone Double Boiler provides a much better option. Because it's made from silicone, it's rigid enough to work ideally as a double boiler but flexible enough to allow you collapse it between uses. That alone wins me over: there's less of a storage issue with this double boiler in a kitchen where space is at a premium. The Lekue Mirage Silicone Double Boiler also doubles as a mold--and you can even bake in it. It's flexible, heat-resistant and nonstick, making it a great multitasker.
The Leuke Mirage Silicone Double Boiler is 9 inches across and 3.8 inches deep. It fits comfortably with most cookware, and you can run it through the dishwasher. You can also use the double boiler in the microwave and freezer, making it a truly flexible option. The Leuke Mirage Silicone Double Boiler is made entirely from platinum silicone, as are the other pieces in Lekue's Mirage line, which offers a wide variety of stovetop and oven cooking options. It's priced at approximately $20.