For the dough:
We mix 12 eggs whites with 12 tbsp of sugar, and we mix well until we get strong snow.
We add melted biscuits, flour and 6 tbsp from the filling, slowly and nicely we mix with a spoon.
We put the dough in the pan coated with baking paper , we put in the oven and we bake at 150 degrees about 20 minutes( 150 degree Celsius = 302 degree Fahrenheit).
After baking ,Cut the dough into 3 parts in length, and filling.
For decoration you can use molten chocolate or whipped cream, I put chocolate whipped cream and it is very delicious.