Mason jar salads are not just a Pinterest thing.

The trick to a mason jar salad is layering: dressing at the bottom, hardy stuff in the middle, greens on top, and it will stay crisp until lunch.

Start with the dressing, then add vegetables that can handle sitting in it — carrots, red peppers, cherry tomatoes, cucumbers, olives. Then throw in anything dry-ish like grains, beans, cheese, or nuts. Pack the leafy greens on top loosely, but don’t fill the jar all the way. Air is your friend here.

At lunchtime you either shake it and eat right out of the jar, or dump it into a bowl. Works fine for 4–5 hours.

But here’s the honest limit: even with perfect layering, moisture in a sealed jar gets to the greens eventually. If your morning-to-lunch gap is more like six hours, or you’re using super delicate greens, put the dressing in a separate little container. Or tuck a folded paper towel under the lid to catch condensation. That keeps things crunchier longer.

Either way, don’t be precious about it. Jar salads forgive sloppy technique as long as the dressing doesn’t get direct contact with the lettuce.