One substitute. Amontillado. Perhaps I just had an Amozzoni? Fabulous none the less. As our fellow discerning drinker Simon Sedgley says regarding the cocktail Enzoni "How do the grapes tame the Campari so beautifully? Same could be said here for the apple juice and sherry! Campari in a new light. Will revisit this with Manzanilla. Thank you Lustau. Thank you Simon Difford!