Tiger Skin Chiffon Cake Roll Recipe

Ingredients

• 4 eggs, separated
• 6 tablespoons white sugar, divided
• 1/4 cup corn oil
• 3 tablespoons milk
• 1/2 teaspoon baking powder
• 1/2 cup all-purpose flour
• 2 tablespoons all-purpose flour
• 2 tablespoons confectioners' sugar, or as needed
• 1 (16 ounce) package prepared chocolate frosting
• 3 egg yolks
• 3 tablespoons white sugar
• 1 tablespoon cornstarch
• 1/2 teaspoon vanilla extract
• 1 (16 ounce) package prepared vanilla frosting