Ingredients

2 tablespoons olive oil

1 onion, coarsely chopped

Coarse salt and ground pepper

Vegetable of choice, such as butternut squash (see below for quantities and other options)

1 can (14.5 ounces) reduced-sodium chicken broth

1 to 3 teaspoons fresh lemon juice

Preparation

In a large Dutch oven or pot, heat oil over medium. Add onion. Season with salt; cook, stirring occasionally, until softened, 5 to 7 minutes.

Add vegetable, broth, and enough water (4 to 5 cups) to cover. Bring to a boil; reduce heat to medium, and simmer until vegetable is tender, about 20 minutes.

Working in batches, puree brothand vegetables in a blender untilsmooth, transferring to a clean potas you work. To prevent spattering, fill blender only halfway, and allow heat to escape: Remove cap from hole in lid, and cover lid firmly with a dish towel. Adjust soups consistency with a little water if necessary. Season with salt, pepper, and lemon juice to taste.