2024年6月24日 · The Basics of Carrot Soup. The key to carrot soup is, unsurprisingly, the carrots. If you can, try to get a few bundles of the smaller carrots with the stems still on. I find the bulk bags of de-stemmed carrots are less sweet. Ultimately, though, you can use any carrot—even purple or white ones—and I won’t yell at you.