Real Simple shared this tip and since it was one we hadn't heard before, we thought it might be new to you as well. They say that rubbing a plastic cutting board with the cut side of a lemon and then putting it in the microwave will disinfect it of all its lovely bacteria. That is, if your cutting board fits in your microwave.
• Check out their other 14 tips on their list of surprising uses for the microwave, although we think you'll find you already know most of them.
(Images: GE via Appliancist; Rick Lew for Real Simple)