If you buy bagged lettuce or salad, check the date and grab the bag that is the flattest. When the g...

If you buy bagged lettuce or salad, check the date and grab the bag that is the flattest. When the greens are packaged, all of the air is sucked out of the bag. As the greens age, they give off gas, making the bag puffier. The flatter the bag the fresher the greens and the longer they will last in your fridge without going bad. 🥗