Submitted by Bob
Blend 1 cup water, tofu, potato flour, oil.
In a large bowl, mix the contents of the blender, 3/4 cup water, sugar, vanilla, salt, cocoa.
Add flour, baking soda and mix till smooth.
Grease pan, powder with cocoa powder.
Bake in 9x13 pan or 2 9" pans for 25 minutes at 375 degrees Fahrenheit.