Blend marg & sugar till creamy. Add eggs & vanilla. Beat well. Add dry ingrediants. Mix until well blended. Pour into greased & sugared round microwave safe cake pan. Microwave on HIGH for 4 1/2 to 5 minutes, or 8 to 9 minutes on 50% power. ( This Recipes was taken from a children's microwave book, therefore it's very easy.. (I can't remember the name of the book, I was in grade seven at the time!) Mary Lou