Whether you’re storing a how to preserve lettuce  or even mesclun mix, proper air circulation and moisture reduction are the keys to preserving your greens. One of the easiest ways to do this is by lining a sturdy plastic or glass storage container with paper towels and then scattering your greens on top. The paper towel absorbs excess moisture and the container seals out bacteria. Make sure to replace the paper towel with a fresh one daily to extend its life and keep your greens from becoming saturated.

Another great way to preserve lettuce is by washing it and then letting it dry thoroughly. Use a salad spinner to do this, or simply lay the leaves on a clean kitchen towel and pat them dry. Once the lettuce is dry, it can be stored in the refrigerator with a lid or wrapped in a paper towel and placed in your crisper drawer. Just be sure to keep it away from produce that gives off ethylene gas, such as apples and pears, which can cause the lettuce to ripen quickly.

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This is a great method for storing romaine, arugula or spinach. However, if you’re trying to preserve heads of iceberg or romaine, this may not be the best way to go. This is because the large size of these lettuces creates an environment that’s difficult to ventilate. This may lead to mold and rotting in a short period of time, especially if you store them with other items that give off ethylene gas.