and grease a 9-inch square baking pan. stir sugar and cocoa into melted butter until well blended, then mix in the egg, vanilla, coffee creamer, baking powder, and baking soda. add flour and mix well. spread into pan. bake about 23 minutes or until toothpick comes out clean. allow brownies to cool. add all frosting ingredients in a medium bowl, and blend until smooth. frost brownies once cooled. 