It might seem like second nature to freeze most leftovers, especially if you have a lot left over. However, not all leftovers freeze equally. Take classic chicken salad. It's a fixture of any great ...

Hearty lettuces firm leaves like radicchio, kale, Belgian endive, and escarole can be frozen. Tender lettuces like romaine, butter, or green leaf are high in water content, which means ice crystals ...