Chocolate Cake Roll Recipe: How to Make It

Ingredients

• 6 large eggs, separated, room temperature
• 1 cup sugar, divided
• 1 teaspoon vanilla extract
• 1/4 cup all-purpose flour
• 1/4 cup baking cocoa
• 1/4 teaspoon salt
• 1/2 teaspoon cream of tartar
• 1-1/2 cups heavy whipping cream
• 2 tablespoons confectioners' sugar
• Additional confectioners' sugar