Combine the tempered chocolate with the butter, make sure it’s fully stirred in and there are no chunks left. Add the cream mixture and zest, stir in for a good minute then add half the lime juice. Make sure the mixture is WELL combined before pursuing, you don’t want to break the ganache. Add about half of what is left, stir it in, again making sure it’s well incorporated. If it holds well, add remaining juice and stir stir stir,