How To Turn Your Refrigerator Trash Into Treasure

It's easy to lose track of everything in the pantry or refrigerator. But before pouring sour milk down the drain and eggshells into the trash, Business Insider has some great ideas for making the most of food scraps. For example, stale bread can be turned into croutons, and milk that's gone off can be used as buttermilk in baked goods. Mixing coffee grounds into a garden can help balance soil pH, repel slugs and fire ants, and feeds helpful earthworms.