The 10 Most Important Gadgets

Once you've tried an immersion blender, you will not want to give it up. Soups can be pureed right in the pot, without the danger or hassle of transferring hot liquids. Small batches of mayonnaise and the like can be easily mixed in a bowl. Sauces can be thickened and emulsified without removing them from the stovetop. Cuisinart's version is easy to clean and store, and dishwasher-safe to boot.
(Cuisinart.com, $30)