Yo, if you lookin' to whip up some righteous lean, lemme break down the mix. First off, you gon' need some Actavis Prometh with codeine|purple drank|pro cough syrup. That's the key ingredient of the recipe. Don't go gettin' cheap stuff, cuz that shit ain't gonna taste good. You also wanna grab some Sprite, that's for the sweetness. And last but not