Whisk together the flour, cocoa, baking soda, salt and baking in a bowl. Set aside. Cream the sugar, butter and eggs in a large bowl using mixer. Add flour mixture to creamed mixture along with water, coffee and vanilla extract. Mix with mixer. Spray a 9 x 13 baking pan with cooking spray, add cake batter and bake in preheated 350 degree oven for 40 to 45 minutes until center tests done. Makes 1 cake. You can add the glaze or frost with your favorite frosting.