For a smoother texture, you can strain the raspberry mixture before adding it to the ice cream to remove seeds.
If you do not have an ice cream maker, you can freeze the base in a shallow container, stirring every 30 minutes with a fork to break up ice crystals, then fold in the raspberries when it starts to thicken.
For best results, ensure the chocolate mixture is completely cooled before adding it to the eggs to avoid scrambling them.