Sloe gin comprises such a large part of this cocktail that the style and quality of your sloe gin will dramatically affect the finished cocktail. Choose...
I liked this one. I used the Hayman's sloe gin and Chazalettes Extra Dry Vermouth. Another time, I swapped the Hayman's for Ha'Penny rhubarb gin. It was ok, but I preferred it with the Hayman's....the extra dry vermouth needs a sweeter gin perhaps. I am no expert...
Used Hayman's Sloe Gin and Noilly Prat Dry. The recipe I settled on wavered between a 4:1 and 5:1 ratio. Yes, the brands will dictate and fluctuate many factors here. The 8:1 specs with my products had too little vermouth in play. I think I prefer the 4:1, and I used Regan's No. 6 orange bitters.