Ingredients for 4 servings

  • 500 g of new potatoes from Ré or Noirmoutier, simply wiped
  • 1 handful of coarse sea salt or 5 liters of seawater
  • 50 g of dried organic seaweed or 100 g of fresh
  • 100 g of good half-salted butter (churned or other)
  • fleur de sel