Onion as Basement Deodorizer - Clear the air in a dank basement. Cut an onion in half, place it on a plate, and leave it out overnight. Once the initial salad-bar aroma dissipates, you'll have a fresh (non-oniony) atmosphere.
Clean BBQ Grills - Guess what? You can clean your BBQ grills WITHOUT SCRUBBING! Follow the overnight cleaning method, the next morning hose off your BBQ grills and you are done! Now you are ready to paartaay! @Madefrompinterest.net