Ingredients For Cake 4 egg 1 cup sugar 1/2 cup flour 1/2 wheat or corn starch 1 tbsp vanilla 1 tbsp lemon zest ( shredded) For Cream 2 tbsp flour 4 tbsp corn or wheat starch 5 tbsp cacao 3 cup milk 1 cup sugar 1 cup melted bitter chocolate For Garnish Pistachio, coconut, or walnut Banana Preparation 1- In a medium pot, mix the milk, flour, starch, cacao, sugar, and chocolate. In a medium heat stir them until it boils. Then turn off the heat. Stir the mixture time to time. 2-In a bowl, beat for 2-3 min. 1/2 cup sugar with egg yolk. In a different bowl, beat 2-3 min other 1/2 cup sugar with egg white.Then in a big bowl, combine them and add flour, zest, vanilla, and starch. 3- Place the parchment paper on the tray (9"11").Pour the batter. 4-Bake it at 350 for about 15-20 min. approx. 5-When cake is baked.Wait for 5 min. Then make a roll carefully.Then open it back, pour the half of cream on the cake. 6-Then place the banana and roll it car...