- 3 cups all-purpose flour
- 2 cups white sugar
- 1/2 cup unsweetened cocoa powder
- 2 teaspoons baking soda
- 2 cups water
- 1/2 cup canola oil
- 1/4 cup cider vinegar
- Preheat oven to 350 degrees F (175 degrees C). Grease a 9×13-inch baking dish.
- Whisk flour, sugar, cocoa powder, and baking soda together in a bowl; add water, canola oil, and vinegar. Mix until batter is smooth. Pour batter into prepared baking dish.
- Bake in the preheated oven until a toothpick inserted in the center of the cake comes out clean, about 30 minutes. Cool in the pan before slicing.