Puree a third of the pitted cherries and set aside.
In a stand mixer or with a hand-held beater, whisk the cream until stiff peaks form.
Gradually add the sweetened condensed milk to the cream, whisking until combined.
Gently stir in the halved cherries and cherry puree.
Pour the mixture into a shallow, airtight container with a lid and place in the freezer.
Freeze for 6 hours or overnight.
Remove the ice-cream from the freezer about 5 minutes before serving to soften.
Serve in waffle cones or in bowls, garnished with extra cherries.
For an adult twist, marinate the pitted cherries in 2 tbsp of cherry liqueur or kirsch for 30 minutes before using.