Wash the plastic bowl that holds the food of your food chopper, along with the blades and any other removable and washable parts with warm soapy water . Removing any bits of food and debris is essential to eliminating the odor.
Reassemble the food chopper and use it to chop up an entire lemon into small pieces.
Leave the lemon in the food chopper for 20 to 30 minutes.
Empty out the lemon into the trash and rinse wash the food chopper again with warm soapy water.
Place the food chopper onto a clean dry towel to air dry.
Pour baking soda into the food chopper or stuff crumpled newspaper into it and close it up with the lid.
Leave the baking soda or newspaper in the food chopper for 24 to 48 hours to absorb the smell.
Remove the baking soda or newspaper and smell the food chopper. Repeat the process until the odor is gone.