The cocktail is slightly smoky and sweet, the toasted pecan taste really taking shape as you swallow the whiskey. There's a subtle vanilla taste, too. While the Toasted Pecan Old Fashioned is strong, it goes down smoothly.u003cbr/u003eu003cbr/u003eIt should u003cemu003enotu003c/emu003e give you dry mouth. Taste your pecans before infusing to ensure they're A-OK, then follow the instructions below, infusing for the same amount of time. No more, no less.