Maple syrup works well with whiskey but not so well with blanco tequila. It works better with reposado tequila, but best with añejo tequila. It seems...
I used Bourbon casked maple syrup, and it was simply divine. I also used equal parts lime and lemon, but i don't think that was the game changer. if you know a Canadian or can get the really good syrup from white/silver maple trees in Quebec, it makes a heck of a difference.
Very nice margarita recipe. A bit sweet and we backed off on some of the maple syrup, but most margaritas are sweet. Wonderful flavour. Would make again will a little less maple syrup for my taste.