What an awesome dilemma to have. I figure you can avoid the waste by poaching something that would give the butter itself a nice flavor. I'm thinking shellfish. Then just clarify it and you've got yourself some "lobster/scallop/whatever infused cocoa butter".
"the pleasantest of all emotions is to know that I, I with my brain and my hands, have nourished my beloved few, that I have concocted a stew or a story, a rarity or a plain dish, to sustain them truly against the hungers of the world" -M.F.K Fisher