Aperitivo #2

1 oz Barbados Rum, Doorly's XO
23 oz Sweet vermouth, Carpano Punt e Mes
23 oz Amaro, Vecchio Amaro del Capo
23 oz Lime juice
23 oz Tonic water, Fever Tree (Mediterranean)
Instructions
Shake everything but tonic water. Top with tonic
Notes
Herbal tones of del capo are nearly absent. Tried without tonic water, and was much better with it. Tartness decreased a lot with tonic, making an easy sipper aperitivo with Amaro undertones.
History
Having Christmas with family in Barcelona, Spain. Bought a lot of liquors because of cheap price. Mediterranean tonic water is a must have for tonic drinks: Soft bitterness and very good taste. Perfect for gin tonic. Difficult to find in France.
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