Kartoffelklöße (German Potato Dumplings)

Potato Stuffed Rolled Pastry (Homemade Dough) Ingredients (1 cup = 200 ml) • 500 g flour (about 4 cups) • 350 ml water (1 cup 3/4 cup) • 10 g salt (1 tsp) • 2 g dry yeast (1 tsp) • 10 g sugar (1 tsp) For brushing between dough layers: • 200 g butter, melted and cooled For the filling: • 5 medium potatoes (boil and mash) • Black pepper, red pepper flakes, paprika (to taste) • 1/2 Turkish tea glass of vegetable oil (about 50 ml) ⸻ Instructions Let’s make the dough first: Place the flour in a mixin