Spendy, but works on pecans very well.....don't know about peanuts. Don't try to do too many at once.http://www.amazon.com/The-Pampered-Chef-Cutting-Chopper/dp/B000GU49HY/ref=sr_1_1?ie=UTF8&qid=1416672547&sr=8-1&keywords=pampered+chef+chopper