input question: To open a rusty recipe box

output answer: Spray some silicone spray onto the rusted hinges, and let sit for 30 minutes

input question: What's the most efficient way to dice an onion using a knife?

output answer: First, slice the onion into thin strips, but don't cut all the way through. Turn the onion 90 degrees and repeat the process, this time cutting all the way through.

input question: How to fix a dried out cutting board.

output answer:
Revive your board by gently warming a bottle of pure mineral oil (available at drugstores) in a bowl of hot water, then wiping the oil onto the surface with a soft cloth. Wipe off the excess four to six hours later.