Ukrainian Vareniki with Meat and Cheese

Method

1. In a large bowl, mix flour with 1/2 cup grated Parmesan and 1/2 cup grated mozzarella.
2. In a separate bowl, combine ground beef, chopped onion, minced garlic, salt, and pepper.
3. Cook the meat mixture in a pan with olive oil until browned, then add beef broth and simmer for 15 minutes.
4. Roll out the dough into thin circles, fill with meat mixture, and fold into half-moons.
5. Boil the vareniki in salted water until they float, then drain.
6. Sauté sliced onions in butter until golden, then serve with the vareniki and meat sauce.
7. Garnish with fresh parsley before serving.
8. Check that the ground meat reaches 71°C (160°F) throughout before serving.