Mocha Crazy Cake

Directions

1. 1
   Preheat oven to 375*F.
2. 2
   Sift together the flour, sugar, cocoa, baking soda, and salt into an ungreased 8-inch square baking dish.
3. 3
   In a 2-cup measure, combine the coffee, oil, and vanilla.
4. 4
   Pour the liquid over the flour mixture and mix with a whisk or fork.
5. 5
   When the batter issmooth, add the vinegar and mix quickly until incorporated.
6. 6
   Bake until a toothpick inserted in the center comes out clean, 25 to 30 minutes.
7. 7
   Cool in the pan on a rack.
8. 8
   When completely cool, dust with confectioner's sugar or spread with vegan frosting, if you like, cut into squares, and serve.