Brussels sprouts can turn a simple pot of soup into something deeper, cozier, and more interesting. The trick is treating them with care. Toss them in raw and boil them too long, and they can taste bitter or sulfurous. Trim, season, and cook them well, and they become tender, nutty, and slightly sweet.

How to Cook and Season Broccoli for Soup That Tastes Rich and Delicious

Sweet potato soup can be silky, cozy, and deeply savory, or it can taste flat and overly sweet. The difference usually comes down to three things: how you build the base, when you season, and how you balance sweetness with salt, acid, spice, and fat.