1Mix sugar, oil and margarine, add eggs & vanilla. Mix together dry ingredients,add to egg mix. adding sour milk,alternatly ending with dry ing. fold in zuchinni. Pour into a Floured and greased 9 x 13 pan top with choc chips. Bake at 325* 40-45 Min.
I use a lot of chips as they sink into the cake.
2oops!! I forgot to add 1 cup of chopped walnuts in my recipe. Add to batter before putting in pan.