This KitchenAid 5 cup cordless chopper is the perfect size for your average recipe, without having to keep filling and emptying the chopper like you do with the smaller mini-choppers. I have done onions, carrots and walnuts so far and it worked like a charm and is easy to take apart and clean.  I also whipped some cream for a pudding I made and it did a great job with that too, using the whipping blade. Another plus is it's not lhorribly loud like some choppers and blenders. My one suggestion - don't fill the cup too much.  I did that on my first try and it didn't have enough room to move the carrots around so I ended up with big chunks on top and carrot puree on the bottom, near the blades.  Once I removed some of the carrots and they had room, the chopper worked perfectly, so just don't overfill it and it will work great.