How to De-Stink Old Smelly Jars with Two Simple Ingredients
Mustard and Water- Yes, mustard! Turns out basic yellow mustard (no need to get the fancy Dijon or whole-grain kind) or mustard powder (if you're truly old school) mixed with hot water will get out the smell. Pour about a teaspoon of the yellow stuff in the bottom, add hot water and swirl or shake the solution with the lid on. Throw out the water, and then wash and rinse your container.