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Export 8 ingredients for grocery delivery
Step 1
In a medium saucepan, cover 1/2 of the diced potatoes with cold water, and season with salt. Bring to a boil, and blanch until potatoes are tender, about 5 to 7 minutes. Remove from heat, drain and reserve.
Step 2
In a large pot over medium heat, melt the butter. Add onions and leeks, and stir. Cover pot and saute, stirring occasionally, about 5 minutes.
Step 3
Uncover, and add remaining potatoes, bouquet garni, salt, pepper, chicken stock and cream. Stir. Bring the soup to a simmer over medium heat, uncovered. Simmer until potatoes are soft, about 15 minutes. Remove potatoes from heat; drain and reserve.
Step 4
Using a food processor or blender, puree the soup in batches. Season to taste. Return soup to pot; add blanched potatoes and simmer over medium heat. When liquid simmers, add watercress and scallops. Cook 30 seconds, stirring once. Ladle soup into warm bowls; sprinkle with chives.