So here's the deal:
I require a cake. Once it has been sent to me ownership of the actual cake will be transferred to me and may or may not be used in my cake project at my discretion. The recipe will be 50% owned by me, and 50% by the baker. But you will not be able to bake another cake using that recipe without my permission anywhere in the world in perpetuity.
There will be an opportunity to have a share of pie as part of a backend deal subject to negotiation.
The ability to bake pie will be taken into account when the cake maker is chosen.