Bring the water and sugar to a boil, then let it simmer for about 5 minutes. Remove from heat.
Slice the cakes into two layers. (optional). Place a cake layer over a cake board, or your serving plate.
Soak the cake with 1/2 cup of simple syrup, then spread 1/2 cup of the filling.
Repeat the last two steps with the rest of the cake layers.
Crumb coat the cake with a thin laye of cream, then place the cake in the refrigerator for 30-40 minutes.
Remove from the refrigerator and frost the cake with the remaining frosting. Refrigerate for another 30 minutes.
Remove from the refrigerator use a spoon to drizzle the ganache about 1/4-inch away from the edges of the cake.
Drizzle more gaanche at the center of the cake top and gently spread it using an offset spatula.