Leeks are a staple in my household. They are a sturdy, versatile, flavorsome vegetable with many uses, and you will always find a few lurking in my produce drawer. A real kitchen workhorse, they can be blanched, steamed, braised, or grilled and then used in soups, stews, omelet fillings, or even confit. But sometimes it can be confusing to encounter a leek. How much of the greens should one cut off? What's with all that grit?