Crazy Chocolate Cake or (Updated Name) Vegan Chocolate Cake

This recipe is from the Great Depression when eggs, milk, and butter could be hard to come by. It is great for people with egg or lactose allergies. Another bonus is that you don't have any dirty bowls to wash. Back when this recipe was developed being vegan was not fashionable and the cookbook where I found the original recipe doesn't mention that it is vegan. I found this recipe in the LA Times.
I top the cake with powdered sugar and serve it with sliced strawberries.

Crazy Chocolate Cake
1 1/2 cups unsifted all purpose flour
1 cup sugar
1/3 cup unsweetened cocoa powder
1 1/2 teaspoon baking powder
1/2 teaspoon salt
1 teaspoon apple cider vinegar
2 teaspoons vanilla extract
1/2 cup salad oil
1 cup cold water or weak coffee or 1/2 cup stout plus 1/2 cup coffee
Set your oven to 350º F. Sift the dry ingredients into an ungreased 8" square baking pan. Whisk them together in the pan until mixed and smooth them out. Make 3 depressions in the dry ingredients and pour the vanilla, vinegar, and oil in the depressions. Pour the water over all. Mix everything together with a spoon. Don't worry if there are a few lumps. Bake for about 30 minutes or until a toothpick comes out clean.