Created by CheapCook on August 16, 2015
Step 1: Preheat oven to 350 degrees. Coat an 13x9 inch baking pan with baking spray and set aside.
Step 2: In a large bowl whisk together the sugar, flour, baking soda and salt. Whisk in the butter and water until combined. Next whisk in the eggs, vanilla and buttermilk until smooth.
Step 3: Pour the batter into the prepared pan and bake for 40 minutes until a toothpick inserted in the center comes out clean.
Step 4: Place the cake on a wire rack to begin cooling and immediately make the frosting.
Step 5: In another large bowl whisk together the butter, confectioners sugar, milk and vanilla until no lumps remain. Pour immediately onto the warm cake.
Step 6: Allow the cake to cool before serving.