Mix the flour, baking powder, vanilla and cinnamon powder in a bowl.

In another bowl, put sugar and egg mix it until the sugar melt then add oil. And mix it again.

Add the dry mix into wet mix then mix it well.

Add nuts, mix it again. Then, in a rectangular cake base, put oil and spray flour then put the cake mix.

Preheat the oven 200° then Put inside the cake for 25-30 minutes.

When the cake finish take it from oven. Leave to cool before cut it and put in plate then serve. Decorate wallnuts up the cake.