Cake with yoghurt and citrus

ingredients:
4 eggs
1 pot of yoghurt
2 jars of sugar
4 pots of flour
3/4 oil pot
2 packets of yeast
1 pinch of salt
zest of citrus
method:
Separate the whites from the yolks

The drummer mix egg yolks with the sugar until the mixture volume and dual whitens
Add yogurt, and peel oil.
Sift the flour with the baking powder and stir into mixture. Mix with a wooden spoon until the mixture is homogeneous.
The drummer raise the egg white until stiff with a pinch of salt.
Gently fold the egg white mixture.
Pour the mixture into a buttered cake pan and floured
Bake in a moderate oven for about 40min.
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