Measure all the ingredients

Mix the flour and the baking powder

Whisk the margarine and the castor sugar until it turns milky

Then add the whisked eggs little by little

Then add the flour little by little while whisking it

When the flour is well mixed divide into three portions

Add the chocolate powder to one part of the mixture

Grease the baking sheet

Then add one part of the flour

Then to the center add the chocolate mixture

To the top add the other part of the flour mixture

Then bake for 45 minutes

Remove it from the oven and place on a cooling rack

Then serve with any a chocolate sauce