6 pale lamb kidneys cut in half with all the whitish parts removed from inside
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Ingredients for 4 servings

servings
  • 14 oz (400 g) new potatoes from Noirmoutier
  • 7 oz (200 g) brown button mushrooms cut into quarters
  • sea water or water with coarse salt
  • rapeseed oil and fine half-salted butter
  • 2 cloves garlic, degerminated and chopped with chervil or 2 sprigs fresh garlic chives
  • salt and freshly ground pepper