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Southwestern Butternut Squash Soup

By America's Test Kitchen

Published on September 8, 2008

Time

1¾ hours

Yield

Serves 4

Southwestern Butternut Squash Soup

Ingredients

1 medium butternut squash (about 3 pounds), peeled, seeded, and cut into 1 ½-inch chunks (see related Step by Step)3 medium shallots, peeled and quartered¼ cup vegetable oil Salt and pepper4 cups low-sodium chicken broth (see note)1 tablespoon honey 1 teaspoon lime juice ½ teaspoon ground cumin ¼ cup heavy cream 2 tablespoons finely chopped fresh cilantro leaves 1 tablespoon minced chipotle chiles in adobo sauce Sour cream (optional)

Before You Begin

Because the bulbous end of butternut squash contains the seeds and stringy fibers, purchase squash with a relatively long neck—they have more usable flesh. You can replace the chicken broth with vegetable broth for a vegetarian version of this soup.

Instructions

  1. Adjust oven rack to middle position and heat oven to 450 degrees. Toss squash, shallots, oil, 1 teaspoon salt, and ½ teaspoon pepper in large bowl, then arrange in single layer in large roasting pan. Roast, stirring occasionally, until vegetables are golden brown and softened, about 45 minutes. Add ½ cup broth to pan and scrape up any browned bits with wooden spoon. Return to oven and cook until liquid has reduced and vegetables are glazed, about 5 minutes.
  2. Working in 2 batches, puree squash mixture and remaining broth in blender until smooth. Transfer pureed squash mixture to large saucepan and stir in honey, lime juice, cumin, and cream. Bring soup to simmer over medium-low heat, adding ¼ cup water at a time as necessary to adjust consistency. Just prior to serving, stir in cilantro and chiles. Serve with dollop of sour cream, if desired. (Soup can be refrigerated in airtight container for 3 days.)
Southwestern Butternut Squash Soup

Southwestern Butternut Squash Soup

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By America's Test Kitchen
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Time

1¾ hours

Yield

Serves 4

Ingredients

1 medium butternut squash (about 3 pounds), peeled, seeded, and cut into 1 ½-inch chunks (see related Step by Step)
3 medium shallots, peeled and quartered
¼ cup vegetable oil
Salt and pepper
4 cups low-sodium chicken broth (see note)
1 tablespoon honey
1 teaspoon lime juice
½ teaspoon ground cumin
¼ cup heavy cream
2 tablespoons finely chopped fresh cilantro leaves
1 tablespoon minced chipotle chiles in adobo sauce
Sour cream (optional)

Test Kitchen Techniques

Ingredients

1 medium butternut squash (about 3 pounds), peeled, seeded, and cut into 1 ½-inch chunks (see related Step by Step)
3 medium shallots, peeled and quartered
¼ cup vegetable oil
Salt and pepper
4 cups low-sodium chicken broth (see note)
1 tablespoon honey
1 teaspoon lime juice
½ teaspoon ground cumin
¼ cup heavy cream
2 tablespoons finely chopped fresh cilantro leaves
1 tablespoon minced chipotle chiles in adobo sauce
Sour cream (optional)

Test Kitchen Techniques

Ingredients

1 medium butternut squash (about 3 pounds), peeled, seeded, and cut into 1 ½-inch chunks (see related Step by Step)
3 medium shallots, peeled and quartered
¼ cup vegetable oil
Salt and pepper
4 cups low-sodium chicken broth (see note)
1 tablespoon honey
1 teaspoon lime juice
½ teaspoon ground cumin
¼ cup heavy cream
2 tablespoons finely chopped fresh cilantro leaves
1 tablespoon minced chipotle chiles in adobo sauce
Sour cream (optional)

Test Kitchen Techniques

Why This Recipe Works

Instead of onions, which imparted a sharp taste to our Southwestern Butternut Squash Soup, we switched to shallots, which have a sweeter, milder flavor. Rather than start the soup’s base of shallots and chicken broth on the stovetop, we cooked the two elements in the oven. We started by tossing chopped shallots with oil and the squash. Once the vegetables browned, we added a bit of broth to deglaze the roasting pan and popped it back in the oven to reduce the broth and concentrate the flavor. Only after pureeing the soup in the blender did we turn on the stove and heat everything through.

Before You Begin

Because the bulbous end of butternut squash contains the seeds and stringy fibers, purchase squash with a relatively long neck—they have more usable flesh. You can replace the chicken broth with vegetable broth for a vegetarian version of this soup.

Instructions

  1. Adjust oven rack to middle position and heat oven to 450 degrees. Toss squash, shallots, oil, 1 teaspoon salt, and ½ teaspoon pepper in large bowl, then arrange in single layer in large roasting pan. Roast, stirring occasionally, until vegetables are golden brown and softened, about 45 minutes. Add ½ cup broth to pan and scrape up any browned bits with wooden spoon. Return to oven and cook until liquid has reduced and vegetables are glazed, about 5 minutes.
  2. Working in 2 batches, puree squash mixture and remaining broth in blender until smooth. Transfer pureed squash mixture to large saucepan and stir in honey, lime juice, cumin, and cream. Bring soup to simmer over medium-low heat, adding ¼ cup water at a time as necessary to adjust consistency. Just prior to serving, stir in cilantro and chiles. Serve with dollop of sour cream, if desired. (Soup can be refrigerated in airtight container for 3 days.)

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