Roulade au Chocolat Pour Julia

Ingredients

• Chocolate-hazelnut mousse
• 2 egg whites
• 1 teaspoon vanilla extract
• ½ cup water
• ¾ cup vegetable oil
• 4 eggs, separated
• ¼ teaspoon salt
• + 5 more ingredients
• • 1 teaspoon baking soda
  • 2 teaspoons baking powder
  • ¾ cup unsweetened cocoa powder
  • 1 cup all-purpose flour
  • 1 ½ cups plus 2 tablespoons granulated sugar

1. Position the rack in the center of the oven and preheat the oven to 350 degrees. Butter or coat with vegetable spray a baking tray, 12 x 17 x 2 inches. Line with parchment paper and then spray the paper. Set aside. 2. Sift together 1 cup of the sugar, the flour, cocoa, baking powder, baking s...

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