1 (4 ounce) package orange flavored Jell-O
1 cup water
1/4 cup pineapple juice
1 1/2 fluid ounces vodka
In a small bowl, mix together the gelatin, water and pineapple juice. Stir gently and refrigerate for 2 to 3 hours.
Using a 1-1/2 fluid ounce filling of a shot glass, pour the liquid mixture over the gelatin in the order recommended by the manufacturer.
Place the shot glass in the refrigerator for at least one hour, or until completely set.