Vanilla Birthday Cake Baking Bottle - Baking Instructions: 1. Into two bowls, separate the yolks from the whites of 12 eggs. 2. Beat the egg whites into a stiff foam and whisk the yolks until combined. 3. Add the contents of the bottle into the yolks and mix together until smooth. 4. Carefully fold in the egg whites until fully combined. 5. Pour the mixture into a prepared 30cm round cake tin. 6. Preheat oven to 180C and bake the cake for 1 hour and 15 minutes or until cooked all the way through. 7. Let the cake cool before serving and enjoy!