Cashews can turn a thin broth into a creamy, spoon-coating soup without a drop of cream. They bring body, gentle sweetness, and a mellow nuttiness that works across many cooking traditions, from Indian spiced gravies to Brazilian-inspired squash soups and Thai-style coconut bowls.

Quinoa can turn a simple pot of soup into a meal, but it can also go mushy, bitter, or bland if it is treated like an afterthought. The good news is that quinoa is easy to cook well once you know two things: rinse it, then season it with the same care you give the broth.

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

Wild rice can make a soup feel hearty, earthy, and complete, but it can also turn chewy, dull, or cloudy if it is added at the wrong time. The difference usually comes down to two choices: whether you cook it separately or in the soup, and how you season the rice before it meets the broth.