01 -
Heat your oven to 350°F. Butter and flour three 6-inch cake pans and put parchment circles on the bottoms.
02 -
Combine flour, graham crumbs, baking powder, baking soda, and salt in a bowl with a good stir.
03 -
Whip the butter till creamy, dump in both sugars and beat until light and fluffy for about 2-3 minutes. Drop in eggs one by one, add vanilla. Switch between adding flour mix and buttermilk, but start and finish with the flour stuff.
04 -
Split the mix between your pans, flatten the tops, and tap them on the counter. Stick in oven for around 40 minutes until a toothpick comes out clean. Let them cool in pans for 10 minutes before flipping onto cooling racks.
05 -
Warm up cream and pour it over the chocolate bits, leave it alone for 2 minutes, then stir till silky smooth. Cool it in the fridge until thick but spreadable. Beat it up till it's fluffy and lighter colored.
06 -
Stack cake layers with whipped ganache between them. Chill to firm up. Spread marshmallow fluff all over and brown it with a kitchen torch.