Ingredients for 4 servings

For 4 ramekins
  • 600 g of Roscoff onions (if possible) thinly sliced
  • 60 g of half-salt butter
  • 200 g of soy bean sprouts
  • 9 slices of baguette bread
  • Grated Emmental (to your taste)
  • 1 tablespoon of chestnut flour (or Soissons beans*)
  • salt, a little grated ginger
  • 1 dash of soy sauce.