Make Cake
Preheat the oven to 350. Spray a 9 inche springform pan with bakers spray
In a bowl whisk together flour, baking soda, baking powder and salt
In another large bowl beat butter and sugar until light and fluffy
Add eggs one at a time and beat in with vamilla
Stir in flour mixture alternating with milk and sour cream
Pour into prepared pan and bake 45 to 55 minutes until a toothpick comes out just clean. Cool 10 minutes on a rack then run a thin knife around edges of pan to loosten any stuck cake. Let cool completely in pan before adding chocolate ganache layer
Make Middle Chocolate Ganache Layer
Melt cream until hot, pour over chocolate chips in a bowl, stir smooth and cool until thick enough to spread spread over cooled cake layer. Refrigerate in pan to set before adding top layer
Make White Chocolate Layer
Heat cream until hot and pour over white chocolate and stir smooth. Cool to room temperature then refrigerate until cold
In a bowl beat marscapone cheese, vanilla and confectioner's sugar until smooth
Beat cooled white chocolate mixture until light and fluffy
Fold marscapone mixture into whipped white chocolate in 2 additions
Spread over cooled chocolate layer and refrigerate at least 2 hours
To Garmish
Dust with sweetened cocoa powder, remove sides from springform pan and decorate with dark and White Tand dark trufflesruffles
