Prepare the meat filling:
Heat oil in a pan.
Sauté onions until soft.
Add minced beef and cook until browned.
Stir in tomato paste, garlic powder, paprika, salt, and pepper.
Cook until fully combined and slightly caramelized.
Remove from heat and let cool.
Prepare the egg mixture:
In a bowl, whisk eggs, milk, oil, salt, and pepper until smooth.
Assemble the börek:
Preheat oven to 180°C (350°F).
Grease a baking dish.
Layer one sheet of phyllo and brush with egg mixture.
Repeat with a few sheets.
Spread some meat filling evenly.
Continue layering phyllo and egg mixture, adding meat in the middle.
Finish with 2–3 layers of phyllo on top and brush with remaining mixture.
Bake:
Bake for 35–40 minutes, until golden brown and crisp on top.
