Bamboo charcoal swiss roll . OtherVery Easy35 min Send this recipe to a friend Print this page Ask a question to the author Post your photo of this recipe Ingredients 10 Souffle Sponge Egg Yolk 5 Egg White 4 Sugar 90g Vanilla Extract 1 teaspoon All purpose flour 40g Bamboo Charcoal 5g Butter 40g Fresh Cream 150ml Sugar 2 teaspoons View the directions