This is the perfect cake recipe, this ones from Ulfet, I think Nurhan’s is almost the same. I still cannot get it exactly the way she does it, but I wont give up 
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She uses a bundt cake pan for this cake, just fyi.
Ingredients:
1 cup milk,
2/3 cup oil,
less than half cup water,
1 1/2 tsp baking powder,
2 eggs,
1 1/4 cup sugar,
Flour as much as needed.
fruits and nuts optional
Method:
Nurhan starts with the eggs and the sugar, using a handblender to mix them. Ulfet puts all the ingredients except flour, mixes them and then starts adding the flour. Also, Nurhan suggested to put the baking powder over the flour when mixing.
Using Ulfets idea, add the flour little by little. I think the batter should be thick enough, but smooth. Also with a fork spread the batter away from the center, this will help getting a flat base for the cake, when you flip it out.
Now grease the pan, and bake at 350 deg F. Use a toothpick to see if the cake is done.
Wait some time, and flip it on a decorative tray.
Note: Nurhan puts some chopped fruits (orange, banana, apples etc) and Ulfet puts chopped walnuts, raisins inside the batter.
Another variation that Ulfet normally does, is she leaves out some batter while pouring into the tray, then she adds a tablespoon of cocoa powder, then again adds the batter to the cake, from the inner side of the pan, slowly.