Blue Lagoon Slush

Steps

1. Pour 240 ml lemon-lime soda240 ml lemon-lime soda1 cup lemon-lime soda360 ml lemon-lime soda360 ml lemon-lime soda1½ cups lemon-lime soda into a wide bowl and whisk for 2–3 minutes, until it stops fizzing.
2. Whisk in 10 g caster or granulated sugar2½ tsp caster or granulated sugar2½ tsp granulated sugar15 g caster or granulated sugar1 tbsp caster or granulated sugar1 tbsp granulated sugar until it dissolves, then stir in 40 ml fresh lemon juice2½ tbsp fresh lemon juice2½ tbsp fresh lemon juice60 ml fresh lemon juice60 ml fresh lemon juice¼ cup fresh lemon juice and 60 ml blue curaçao60 ml blue curaçao¼ cup blue curaçao90 ml blue curaçao90 ml blue curaçao¼ cup + 2 tbsp blue curaçao.
3. Pour the base into an empty tubpint. It stays well below the max fill line, which leaves room for what you add before spinning. Put the lid on and freeze on a level shelf for 24 hours.
4. Dig a hole about 4 cm1½ in wide down to the bottom of the frozen tubpint. Pour in 75 ml vodka75 ml vodka⅓ cup vodka115 ml vodka110 ml vodka½ cup vodka, then lock it into the machine and run Frozen Drink.

To serve: Serve in tall glasses with a lemon wheel and a dark red cocktail cherry on top.