Cook's Illustrated

Butternut Squash Soup

Published September 1, 2011.  From Cook's Illustrated.

Why this recipe works:

For soup with intense squash flavor, many recipes will roast the squash to rid it of excess moisture and concentrate its flavor. But what if you don’t want to turn the oven on? For our soup, we start by microwaving large chunks of squash to hasten the cooking process. We then slowly caramelized the parcooked squash in a Dutch oven, much as we do with onion for French Onion Soup, until a thick brown fond developed. Deglazing the pot and scraping up the fond gave the soup the deep flavor of roasted squash soup in a fraction of the time. To further enhance the soup’s vegetable flavor, we chose vegetable broth over chicken broth and used an aromatic base of leeks, fresh thyme, and bay leaf.

Serves 6 to 8

Do not use prepeeled squash in this recipe. Our favorite vegetable broth is Swanson Vegetable broth. Low-sodium chicken broth can be substituted for the vegetable broth. If you use a blender to puree the soup, fill the jar two-thirds full-not more-and process in batches. Alternatively, use an immersion blender to puree the soup right in the pot. In addition to sour cream, serve the soup with Fried Leeks (related), which provide nice textural contrast.


Ingredients

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