Dough: Mix eggs and sugar then add oil and mix again. After add the flour and the baking powder and mix again.
2
When the mixture become dough, start knead until all the ingredients are well mixed. Put the dough in to a mold.
3
Filling: In a pot, put the sugar and the eggs and mix it on low fire. After add the flour, chocolate, vanilla essence and then the milk little by little and mix everything until the mixture becomes thick.
4
Let the mixture cool down a little bit then add butter and mix well. Let it cool down, put the mixture on top of the dough then put it into oven for 40 min at 160C.