Green Tool - Microwave Steamer 2.0LRetain vitamins, flavors and crunch by steaming vegetables in the microwave rather than boiling them. The steamer makes preparation simple: Arrange the vegetables in the steamer, add a few tablespoons of water and put the lid on. Microwaved at 900 W, the vegetables will be ready within minutes. Steaming makes it easier to control the temperature while retaining all the beneficial vitamins in the vegetables. Of course, the simple, stylishly designed