Whether you’re cooking stir-fry or making a vegetable frittata, there’s a good chance that you’ll find yourself reaching for scallions or green onions. These long, green alliums are a type of onion ...

How glorious are alliums? In just about every world cuisine, onions and their allium brethren—which includes garlic, chives, scallions, leeks, and shallots—form the foundation of myriad savory dishes.

Here's what you need to know about subbing one for the other. The onion is the surest kitchen partner I know. It’s arguably the most hardworking allium and the beginning of nearly every savory dish I ...