If I have a fault it is that if I see a dish or technique on TV then I get convinced that I can do it. This is not an original idea and it first appeared for me on an episode of MasterChef. It is fiddly and time-consuming but the results are impressive and will wow your dinner guests.
This is a side dish so create the stuffing to complement your main ingredient. I haven't tried it but I'm sure cucumber could be used instead and could be served cold as part of a picnic.