800grams/millilitersbourbon(one 750 milliliter bottle will do, I just like neat ratios when the work)
400grams/milliliterssimple syrup
1200grams/milliliterswhole milk
vanilla to taste
nutmeg to taste
Ratio
1partDark rum
2partsbourbon
3partsmilk
1partsimple syrup
vanilla to taste
nutmeg to taste
Instructions
Combine liquids, season with vanilla and nutmeg to taste (0.5 parts vanilla, actually, I weighed), and serve. Think ahead: freeze a half gallon carton of milk, and use this for the ice cube.