Break add in a bowl,and beat for 30seconds.

Mix margarine and sugar in a bowl and use a spartula to stir in one direction for 10minutes.

Measure out flour,add baking powder and sugar

Pour in vanilla in the egg mix very well.pour in the half of the flour and stir same direction for 3minutes.add the remaining and stir very well.

Divide the mixture into two and pour in the chocolate flavour in one.

Arrange the pan with the cups,and scoope in the chocolate first followed with the butter scrotch.

Bake for 20minutes,insert a tooth pick onces it comes out clean is ready ready.