Can you get the pan of cookies, cake, muffins, sausage pizza, & cheese pizza to stack? All the cooking things actually, for those of us who do not have the food storage key thing (dough, sweet dough, cake mix, cookie mix, etc ...)
No further changes can be made to stacking items. Those changes are in the client and we really don't want to require another client download or patch so soon after 2 major updates.
A cake decorating tool is interesting - I'll give it a shot when I get the chance.