Black-bottom Cookie Bars

Ingredients

175g marge
1 1/4 cups sugar (use a mixture of brown and granulated)
2 eggs
1 1/2 tsps vanilla
2 cups plain flour
1/4 cup cocoa
1 cup chocolate chips

Method

Cream together marge and sugar, then mix in eggs, vanilla and flour. Transfer half the mixture into a separate bowl and mix the cocoa and chocolate chips into one half.
Spread the chocolate mix into a greased square dish, and smooth the vanilla mix on top. Bake at 180 for 30 mins then cut into bars.