In a bowl, add the eggs, sugar and margarine, mix well until it becomes a whitish cream. After adding the wheat flour and stirring a little more, add the cornmeal and alternating with the milk, always stirring until you get a homogeneous mixture, finally add the guava and the yeast and stir just to mix. Pour the mixture into a greased and infarinhada shape and take it to bake in a preheated oven at 180° for approximately 40 minutes.
Wait for it to cool down to unmold.
And that's it, delight yourself with this perfect cake.