To preserve leftover lemon juice, Rotman recommends keeping it in a sealed container in the refrigerator. Stored like that, it will keep its fresh flavor for a couple of days.

If you have more lemons than you know what to do with, don't let them go to waste. Here's how to keep lemons fresh for as long as possible.

Use bottled lemon juice because the acidity is standardized while the juice of fresh lemons can vary. Lemon juice is more acidic than vinegar, but has less effect on flavor.

How to keep fruit salad fresh: 7 food preservation techniques that (actually) work 1. Use citrus juice, like orange or lemon juice One of the best fruit salad ingredient secrets, coming right up.

It turns out most of us are storing lemons wrong. They simply spoil in a fruit bowl, but they will stay zesty and sweet for much longer if you take a few seconds to store them the right way.

Lemon-roasted brussels sprouts makes fine use of two fresh foods that are at their prime. (Photo by Noah Simon) Freeze fresh lemon juice in ice cube trays, so you can have fresh juice any time.