does jello contain water
1 A standard recipe made with 3 ounces of Jell-O powder calls for 5 ounces of 80-proof vodka and 11 ounces of water, but this results in a shot that tastes watered-down. 2  To make a stronger shot, use just 4 ounces of water and between 8 and 14 ounces of vodka (to taste).