Family Tested & Approved
water ( i use cold coffee)
Preheat oven to 350* Spray pan with non-stick cooking spray a 9x13" pan.
Mix flour, sugar, baking soda, salt, Add mayonnaise, water, eggs and vanilla until mixed thoroughly.
Pour in pan bake 35-40 min. or until pick comes out clean. Let cool at least 40 minutes, then frost with desired frosting.