Ingredients

  • 3 Tbs. extra-virgin olive oil; more for serving
  • 2 medium carrots, finely chopped
  • 1 large celery rib, finely chopped
  • 1 small red onion, finely chopped
  • 1 medium clove garlic, minced
  • 1 Tbs. minced fresh flat-leaf parsley
  • 1 medium Yukon Gold potato, peeled and cut into 1/2-inch pieces
  • Kosher salt
  • 8 oz. mature spinach, trimmed and cut into 1/2-inch-thick strips (5 cups)
  • 5 oz. red oak or red leaf lettuce, cut into 1/2-inch-thick strips (5 cups)
  • 5 oz. romaine lettuce, cut into 1/2-inch-thick strips (3 cups)
  • 8 cups Roasted Vegetable Broth or store-bought lower-salt vegetable or chicken broth
  • 3/4 cup arborio rice
  • 1 2-inch piece Parmigiano-Reggiano rind (optional)
  • Freshly ground black pepper
  • 2 Tbs. chopped fresh basil

Preparation

  • Warm the oil in a 5-quart heavy-duty pot over medium-low heat. When it’s warm—not hot—add the carrots, celery, onion, garlic, and parsley. Cook, stirring often, until the onion is translucent, about 5 minutes. Add the potato and cook, stirring often, until it has begun to soften, about 5 minutes; turn the heat down if the vegetables begin to color.
  • Season the vegetables with 1 tsp. salt, then stir in the greens by the handful—it will seem like a lot, but they will cook down. Cover the pot and cook over low heat until the greens have started to wilt, about 3 minutes. Uncover and continue to cook, stirring occasionally, until the greens are completely wilted, about 3 minutes more.
  • Turn the heat up to medium high and add the broth, rice, and cheese rind, if using. Bring the soup to a boil. Turn the heat down to maintain a simmer and cook, uncovered, until the rice is very tender and has begun to split, 20 to 25 minutes. Season to taste with salt and pepper. Remove from the heat and stir in the basil. Let cool to warm or room temperature.
  • Serve the soup drizzled with extra-virgin olive oil.

Summer Greens and Rice Soup