IF YOU’VE GOT a holiday roast in the oven, it’s nice to have vegetable side dishes, such as this one, that cook on the stovetop. This medley of fingerling potatoes, fennel, and asparagus is simply seasoned with salt, pepper, olive oil, fennel fronds, and lemon to keep things fresh, light, and flavorful. Because the vegetables have different characteristics and densities, we cook them individually in sequence—first potatoes, then fennel, then asparagus—before recombining them all at the end for an evenly cooked dish. A cast-iron skillet, which has tall sides (to hold a large volume) and retains heat much better than stainless steel, is the ideal vessel for pan-roasting a large quantity of vegetables. Here’s what you need to know.
Asparagus
Cutting the asparagus into 2-inch lengths on the bias (which…