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Ingredients for 4 servings

servings
  • 17.75 oz (500 g) new potatoes from Ré or Noirmoutier, just wiped dry
  • 1 handful of coarse sea salt or 5.25 qt (5 liters) of seawater
  • 1.75 oz (50 g) organic dried seaweed or 3.5 oz (100 g) fresh seaweed
  • 3.5 oz (100 g) good half-salted butter (churned or other)
  • Fleur de sel