Mix in the eggs and fold in the marshmallows. Turn the brownie mixture into the tin and bake in the oven until the surface has set but still feels squidgy underneath. This will take about 20 minutes.
With mini candy jack-'o-lanterns, cookie gravestones, and marshmallow ghosts, making a graveyard cake is almost as much fun as eating it. It is also surprisingly easy, making it just right for a ...