This app is called Cocktail recipes-Mixology and it’s pretty good for getting a wide range of drink ideas all in one place. It’s weak point is the quality of the recipes as most are not quite right.
I usually take inspiration from the app but look for a set recipe elsewhere.
Honestly, just cut the sugar by like 2/3, and serve it in a Collins glass, and it’ll probably work. Maybe add a couple dashes of Ango