The Philips OnionChef chopper features ChopDrop technology with an optimized low speed. This ensures that both delicate ingredients like onions, zucchini, hard-boiled eggs, bell peppers, and mozzarella cheese, as well as harder ingredients like nuts and carrots, are always chopped to a uniform size. It's also perfect for preparing your favorite side dishes and appetizers (salsa, tzatziki), sauces, and the base for risotto. Dishwasher Safe The Philips OnionChef chopper is also easy to clean. All parts are washable and dishwasher safe.