Ganache-filled Devil's Food Cake

Ingredients

425 ml boiling water
290 gr semisweet chocolate
170 gr unsweetened cocoa powder
250 gr sifter cake flour
9 gr baking soda
1 gr salt
160 gr butter
375 gr packed dark brown sugar
4 eggs
18 gr vanilla
120 ml cream
18 gr butter
6 gr butter
900 gr confectioners sugar
10 ml milk
9 cake pans
1/2 chocolate mixture

Instructions

second layer of cake and frost the sides, and then the top. Decoratively pipe frosting around the base and top edges of the cake.