Prep: 10 minutesTotal: 3 hours 15 minutesIngredients300 ml pink grapefruit juice26 grams knox unflavored gelatin packets112 grams granulated sugar125 ml gin125 ml St. Germain30 ml Luxardo Cherry liqueurpop rocksDirections1. In a small saucepan, combine the grapefruit juice with the gelatin and 1 1/3 cup water. Let it sit for 2 to 3 minutes.2. Add the sugar and heat over medium, stirring, until the sugar and gelatin are both dissolved. Do not boil! Set aside to cool for 1 minute.3. Stir in the booze. Transfer to a 9-inch-by-13-inch baking dish and refrigerate until set, about 3 hours.4. Using a pizza cutter or knife, cut the jello into squares, and top with pop rocks before eatings.