Instructions :
- Preheat oven to 325F.
- Add flour, sugar, cocoa, baking soda and salt to a large bowl. Stir to combine. Make 3 wells in mixture.
- Add vanilla, oil and vinegar to each of the wells. Pour in cold water and beat until no lumps are left.
- Pour into an ungreased 9×13 baking pan. Bake for 60 minutes or until a toothpick comes out clean. Let cool before cutting.
