Oink Time:
Prepare the cake mix.
Spoon 1/2 of the cake mix into 9 x 13 inch glass pan.
Bake the cake mix @ 350 for 15 minutes.
Cook Kraft carmels, evaporated milk and margarine over low heat until melted and while cake mix cooks.
Remove the cake.
Pour carmel mixture over the cake, spread nuts and chocolat chips over the cake.
Pour the rest of the cake mix over all.
Bake 30 minutes.
Pig out!