low fat "Wacky Cake"

I got this receipe from a sweet lady at church. This cake is extremely moist. No icing necessary...powdered sugar dusting maybe.

Wacky Cake

3 Cups Flour
6 TBS Cocoa
2 Cups Granulated Sugar
1 tsp Salt
2 tsp Baking Soda
2 TBS Vinegar
2 TBS Vanilla
2 Cups Cold Water
2/3 Cup Vegetable Oil

Stir together the flour, cocoa, sugar, salt and baking soda. Add vinegar, vanilla, water and oil and beat for 2 minutes at medium speed. Pour into greased and floured 9 x 13 pan. Bake 350 Deg for about 40 minutes or until cake springs back when touched in the center.