In a deep Cup put 1 egg, the vanilla, 2 tbsp sugar, margarine, baking powder and flour. knead elastic dough does not stick to hands, but not downtrodden. Leave the dough to rest for a few minutes yet make the cream. For the cream: separate the yolks from the whites. Proteins yet out of the way, and yolks add the lemon zest ( grate on fine grater), squeeze the juice of a lemon, add 4 tbsp sugar

Add 2 bananas broken into pieces, sour cream and pudding. Carefully beat with a mixer. Put the dough in the form, I have 24 cm, to make the sides of the dough. The remaining 2 bananas cut into slices and spread on the dough.

Pour on top of sour cream and send it in the oven at 180 gr 30 minutes. Focus on the cream, it should be tightened and not "sink", but to overdo it is not necessary. For 5 minutes until tender, beat whites with 1 tbsp sugar in a solid foam.

Pull pie out of the oven, spread with a spoon on top of the whites and to send for 5 minutes pie again in the oven.