How to Make the ultimate rich and gooey chocolate cake

To make this delicious and decadent dessert, you will need: 3 cups flour, 1 1/2 cup unsweetened cocoa powder, 1 teaspoon baking soda, 2 cups sugar, 1 1/2 teaspoon salt, 1 1/4 cups melted butter, 2 tablespoons white vinegar, 2 teaspoons vanilla extract, 2 1/3 cups warm water, 1 pound confectioner's sugar, 1 stick of butter, 2 teaspoons instant coffee and 1/4 cup of coffee.