Add cold heavy cream, yogurt, and condensed milk to a large bowl. Using an electric mixer, mix at medium speed for about 4 - 6 minutes or until the mixture is combined and soft peaks form.TipFeel free to use a stand mixer for this step.
Make the ice cream
Add most of the sour cherries or cherries to the cream mixture along with the shaved chocolate and roughly chopped biscuits. Set about 2 tablespoons of the ingredients aside for the decorations. Gently stir everything together using a spatula, try to keep the volume.
freeze and serve
Pour the ice cream mixture into a baking dish with a volume of 1.5 liters or approx. 20 cm x 10 cm x 10 cm or 8-inch x 4-inch x 4-inch in size. Sprinkle the saved ingredients on top and place the ice cream in the freezer for at least 4 - 6 hours or overnight. Before serving, place at room temperature for 5 - 10 minutes.