Place the Salemville® blue cheese, lemon juice, sugar, and salt in a large bowl. Bring the heavy cream to a boil in a medium saucepan, stirring occasionally. Pour the heavy cream over the blue cheese mixture and stir until melted and combined. Chill the mixture in the fridge. Once chilled, prepare in ice cream maker according to manufacturer’s directions. Stir in the dark chocolate chunks and freeze until firm.