01 - Pour the chilled lemon-lime soda, pineapple juice, and fresh lime juice into a large punch bowl. Stir gently to combine without losing carbonation.
02 - Use an ice cream scoop to add rounds of lime sherbet to the punch mixture, distributing evenly across the surface.
03 - Allow the punch to rest for 2-3 minutes so the sherbet begins to melt and creates a frothy, creamy layer on top.
04 - Stir once or twice with a ladle to swirl the melting sherbet through the punch, creating a marbled effect.
05 - Float lime slices and fresh mint leaves on top. Serve immediately in chilled glasses.