Traditional Latvian Bacon Buns (Pīrāgi)

Method

1. In a large bowl, mix flour, salt, sugar, and yeast.
2. Add warm milk and melted butter, stirring until a dough forms.
3. Knead the dough for 5-7 minutes, then let it rise in a warm place for 1 hour.
4. Preheat oven to 200°C (390°F).
5. Roll out the dough and cut into rounds.
6. Fill each round with sautéed onions and bacon, then fold and seal.
7. Brush with beaten egg and bake for 15-20 minutes until golden brown.