Grease & parchment line your cake pan(s) *see notes for sizesPreheat the oven to 350°F In a large mixing bowl combine the flour, baking soda, salt & sugar. Whisk to combine well
In another mixing bowl combine the cocoa powder with the hot coffee & whisk smooth
Add the Vegetable oil, vanilla extract & 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 20-40 minutes depending on the size of your pans, 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.
Now make the fudge icing, In a small sauce pot combine the first 3 ingredients to make a sugar solution & bring to a boil
Place the cocoa powder in the work bowl of your electric mixer then pour the sugar syrup into the cocoa powder mix smooth, add the vanilla extract
Next add the oil & the additional measure of corn syrup
Be sure the mixture has cooled enough before adding the softened vegan butter & mix well.
Add the sifted confectioners sugar & mix until smooth.