1 oz of sweet vermouth
1/2 oz of Jamaican rum (or Gold Rum)
1/2 oz of Fernet Branca
1/2 oz of Demerara syrup (or simple syrup)
1 pinch of Salt
2 sprig of mint
Bruise mint in julep cup, rub against inside of the cup and discard, add other ingredients with crushed ice and swizzle, top with mint sprig.