Have a few fresh herbs sitting around that you won't get to using before they turn? Sure, you can freeze them in water or dry them out, but if you know you'll use them relatively quickly, you can add a few weeks to their life without damaging their potency by freezing them in oil instead. We've shown you how to make simply syrups with them, and how to use sea salt to dry them, but if you have some lovely herbs you want to use, but won't get to before they turn brown, consider dropping them in an ice cube tray, filling up the cubes with olive oil (or any other oil of your choice, as long as it freezes nicely), and popping them in the freezer. When you're ready to fry some potatoes, for example,...