I'm making Birthday cake for my 8 year old nephew. Big party with kids and adults. I've made mud chocolate cake and now thinking what to fill in before I put fondant on top. I thought whipped cream and rasberry jam for the filling and for the top chocolate ganache and then put the fondant on top. What do you think? Or I could just put chocolate ganche fillings and top all around...(maybe too chocolatey..??)..or just put whipped cream for filling and jam the outside before putting fondant without chocolate ganache...