<p>First, we will prepare a preferment from all-purpose flour, warm milk, yeast, and a pinch of sugar. Let it rise for about 15 minutes.</p><p>From eggs, milk, sugar, vanilla sugar, salt, and all-purpose flour, we will prepare a dough in a mixer, which will pull away from the sides. Then we add the preferment, lemon zest, and gradually add cubes of softened butter. Once all ingredients are combined into a uniform dough, let it rise for about 1 hour.&nbsp;</p><p>After rising, we roll the dough into 40g pieces, which we will also let rise for about 30 minutes. After they have risen, we flatten the pieces with the bottom of a glass and fill them with cottage cheese filling. We let them rise for a few more minutes and brush the edges of the dumplings with beaten egg.</p><p>Bake at 190<span style="color: rgb(0, 0, 0);">°C for 7 minutes. After baking, we can brush the dumplings with melted butter mixed with rum.</span></p>