This recipe is really simple, but toffee in general can be a littttlllleee fussy. Our biggest piece of advice: WHISK CONSTANTLY! The moment you walk away from the saucepan, the butter and sugar...
Coffee lovers, this one's for you. This super-boozy shake uses cold-brew ice cubes, so it won't get diluted, no matter how long it takes you to get to the bottom of the glass!