In a saucepan, combine chopped cherries, a few tablespoons of sugar, and lemon juice, then cook over medium heat until softened and slightly thickened
Remove from heat and allow the cherry mixture to cool completely before using
In a mixing bowl, whisk together whole milk and remaining sugar until dissolved
Add heavy cream, vanilla extract, and salt, mixing until smooth and fully combined
Chill the mixture in the refrigerator for at least 2 hours for best texture
Pour the chilled base into the ice cream maker and churn according to instructions until it reaches a soft-serve consistency
Gently fold in the cooled cherry mixture, creating swirls throughout the ice cream
Transfer to an airtight container and freeze for 4–6 hours until firm