Ingredients for 4 servings
- 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.
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