Soup can be made 1 day ahead and cooled, uncovered, then chilled, covered. Reheat before serving.
Ingredients
Special Equipment
Preparation
Step 1
Cut off and discard tough lower third of broccoli stems, then peel remaining stem and cut into 1/2-inch-thick slices. Cut remaining broccoli into 2-inch-wide florets.
Step 2
Bring water to a boil in a 4-quart heavy pot, then add broccoli and 1 teaspoon salt and boil, uncovered, until broccoli is just tender, about 5 minutes. Transfer with a slotted spoon to a bowl of ice and cold water to stop cooking, reserving cooking water in pot, then drain broccoli.
Step 3
Wrap parsley, thyme, and bay leaf in a small square of cheesecloth and tie into a bundle to make a bouquet garni. Add to reserved cooking water along with parsnips, onion, and chicken broth and simmer, covered, until parsnips are very tender, 25 to 30 minutes.
Step 4
Discard bouquet garni and reserve 1 cup cooking liquid, then purée remaining soup with broccoli, in batches if necessary, in a blender until smooth (use caution when blending hot liquids). Transfer puréed soup to another pot and thin to desired consistency with reserved cooking liquid. Stir in pepper, nutmeg, and remaining 1/2 teaspoon salt (or to taste) and bring to a simmer over moderate heat, stirring occasionally.
