*Methods:
Preheat oven 350 degrees F. In bowl, whisk flour, baking soda, sugar & salt together and set apart.
In 10 inch cast iron skillet, bring butter, vegetable oil, cocoa powder also water to a boil.
Removing from the heat and blending in dry ingredients well. Mixing buttermilk, egg & vanilla. Baking cake in the pan at 350 degrees F for 15 to 20 minutes
When cake is starting to cool, preparing frosting. In saucepan, bring butter, cocoa also milk to a boil. Removing them from the heat & adding icing sugar, walnuts & vanilla. Stir to combine.
Pour on warm cake, spreading with spatula and serving with vanilla bean ice cream, caramel sauce and whip cream
Enjoy !
