In a large mixing bowl combine the flour, baking soda, salt and sugar. Whisk to combine well
In another mixing bowl combine the cocoa powder with the hot coffee and whisk smooth
Add the Vegetable oil, vanilla extract and vinegar, then add all the liquids to the dry ingredients in the large mixing bowl.
Whisk vigorously to combine well, the batter will seem thick at first but be sure to keep whisking smooth
Pour all the batter into your prepared pan(s)
bake immediately in a preheated 350°F oven for approximately 40 minutes for the 9" x 13" pan or until a toothpick inserted into the center comes out clean.
Cool the cake in the pan(s) until you can easily touch them without burning yourself.
Then flip the cake(s) out onto a cooling rack to cool to cold.
While the cakes are baking, prepare the fudge icing:
In a small pot on the stove, combine the first 3 ingredients and bring to a boil.
Pour the sugar syrup into the cocoa powder and whisk smooth
In the bowl of your Kitchen Aid mixer fitted with a paddle attachment, or in a large mixing bowl with a hand beater, add the cocoa powder and the vanilla extract
Next add the Vegetable oil or Melted Coconut Oil and the additional measure of corn syrup
Next add the softened vegan butter and mix well..
Add the sifted confectioners sugar and mix until smooth.
Notes
This un-iced cake can be kept at room temperature wrapped to prevent drying for up to 4 days.
If you are icing and or filling your cake, the type of icing & filling will determine if it needs refrigeration