Jar Hacks: 8 Things to Make with an Almost-Empty Jar By: Food Network Kitchen Save Collection Share Here are our favorite ways to make the most of almost-empty jars of mustard, peanut butter and more. 1 / 9 Photo: Renee Comet © Don't Throw That Out! When all that’s left of your favorite condiment is a few streaks in the jar, it’d be a shame to relegate them to the recycling. Here are eight ways to make the most of an almost-empty container.