Make the most terrifying treats for Halloween with these Petri Dish Jell-O Shots 🧫 Grab the Petri dishes at the link in our bio to make your own ✨ -3 oz. lime Jell-O mix -1 cup boiling water -1/2 cup cold water -1/2 cup. vodka -Gushers & Nerds #petridishjelloshots #petridish #jelloshots #halloween #vodka #jello