Zucchini and Saffron Vichyssoise with Scallops

A luxurious cold soup featuring tender zucchini, potatoes, and saffron, topped with julienned zucchini and seared sea scallops. This elegant French-inspired dish combines the delicate flavors of summer squash with aromatic saffron and sweet scallops.

4 servings
5 hr 2 min

Ingredients

  • 2 pounds small (5-inch-long) zucchini
  • 1 medium onion
  • 3 tablespoons unsalted butter
  • 1 pound boiling potatoes
  • 1 teaspoon chopped garlic
  • ¼ teaspoon finely crumbled saffron threads
  • 5 cups chicken broth
  • 1 piece Turkish bay leaf
  • ½ teaspoon packed fresh thyme leaves
  • ½ cup chilled heavy cream
  • 2 teaspoons fresh lemon juice
  • teaspoons salt
  • ¼ teaspoon black pepper
  • 4 large sea scallops
  • 1 tablespoon vegetable oil
  • 1 piece adjustable-blade slicer

Cooking Instructions

  1. 1.

    Thinly julienne zucchini lengthwise with slicer, working around core, into 1/4-inch-thick ribbons. Cut zucchini cores into 1/2-inch pieces.

    10 min

  2. 2.

    Peel potatoes and cut into 1/2-inch pieces. Cook onion in butter in a 5-quart heavy pot over moderate heat, stirring occasionally, until softened, about 10 minutes. Add potatoes, garlic, and saffron and cook, stirring, 1 minute. Add broth, bay leaf, and thyme and simmer, uncovered, until potatoes are tender, about 20 minutes. Add chopped zucchini cores and simmer, uncovered, until zucchini is very tender, about 8 minutes.

    40 min

  3. 3.

    Purée soup in batches in a blender until very smooth (use caution when blending hot liquids) and pour through a fine sieve into a bowl. Stir in cream, lemon juice, salt, and pepper, then cool to room temperature, uncovered. Chill soup, covered, until cold, at least 4 hours and up to 2 days.

    240 min

  4. 4.

    While soup is chilling, cook julienned zucchini in boiling salted water until crisp-tender, about 30 seconds, then drain and transfer to a bowl of ice and cold water. Drain and pat dry with paper towels. Season with salt and pepper and chill, covered.

    5 min

  5. 5.

    Before serving soup, cut each scallop horizontally into 3 rounds and pat dry. Heat oil in a large nonstick skillet over high heat until hot but not smoking, then sear scallops until golden brown, 20 to 30 seconds on each side, and season with salt.

    5 min

  6. 6.

    Serve soup with zucchini mounded in center, topped with scallop rounds.

    2 min