Bake cake according to package,I use a sheet pan to bake because it takes less cooking time. Your going to crumble the cake.
Pour pie filling in bowl,mix in cinnamon an all spice,cut up apple slices in small pieces
thaw cool whip, mix in apple pie spice
In a truffle dish or glass bowl crumble 1/3 of cake over bottom of bowl,spread apple pie filling over cake,sprinkle 1/3 nuts over pie filling, spread 1/3 cool whip mixture over nuts. Layer,ending with cool whip,sprinkle top with extra nuts to decorate,cover and refrigerate at least 2 hours.