I know that this post is REALLY late, but I figured better late than never. This cake is pretty simple; the only thing that takes a long time is arranging the m&ms on top of it.
Bake 2 layers of chocolate (or any flavor) cake in a heart shaped pan or carve it after baking in a rectangular pan.
Place one layer on the cake plate.
Cover the top with raspberry jelly.
Place the other layer on top.
Make a batch of chocolate icing.
Cover the sides and top of the cake with it.
Take valentine's day colored m&ms (you can buy them at target) and arrange them on the top of the cake.
Peace and Dee Love,