When To Toss Your Tub Of Leftover Bacon Grease - Chowhound

If you store your bacon grease either on the countertop (the worst way to store it is on the counter, where it'll only last for a few weeks at best) or in the fridge, your bacon grease — just like fresh bacon stored in the fridge — can spoil in time. One clear sign it's gone bad is a strange smell. Fresh bacon grease has a rich, smoky aroma, but when it spoils, you'll notice a distinctly unpleasant odor when you…