If you want to give your hot chocolate and irresistable hint of citrus without breaking out the zester, then reach for this one popular liqueur.

Vintage Dishes columnist Karla Knutson said these bars are rich and delicious and pair well with a scoop of ice cream.

If you love Skrewball peanut butter whiskey, you'll also love these other versions. We list out ten of our favorites that are a must-try.