Boil the Potatoes: Peel and cube low-starch potatoes, boil in salted water for 15-20 minutes until fork-tender.

Mash the Potatoes: Drain and mash the hot potatoes until smooth and free of lumps.

Mix the Ingredients: Add flour, optional sugar, salt, and pepper to the mashed potatoes and stir until a soft mixture forms.

Portion the Mixture: Use an ice cream scooper to portion the potato mixture and shape into discs about ½ inch thick.

Add the Cheese Filling: Place about 1 teaspoon of mozzarella cheese in the center of each disc and fold to enclose.

Fry the Pancakes: Heat oil in a skillet over medium heat, cook pancakes until golden brown on each side, about 5 minutes each.

Drain and Serve: Remove cooked pancakes from skillet and drain on paper towels; serve immediately.