It's not water, it is simple syrup. Bring equal parts water and sugar to a boil, then let it cool. Sprinkle this on the cake before you frost it to keep the cake moist.
It is not water, it is called simple syrup. Take equal parts water and sugar, and bring to a boil. Let it cool, then brush, squirt, or sprinkle it over the cake layer before you frost it. This keeps the cake moist.
