Nici's lamb mince borek

Ingredients

• 1 small onion, diced
• 2 tablespoons olive oil
• 400 grams lamb mince
• 1 garlic clove
• 2 teaspoons cumin seeds
• 1 teaspoon ground coriander
• 1/4 teaspoon cinnamon
• zest of 1 lemon
• 1/2 teaspoon sea salt
• 2 tablespoons pomegranate molasses
• 1 cup crushed tomatoes
• 3 Lebanese flatbreads or pita (Nici used Jabal, available in supermarkets)
• 100 grams feta, crumbled
• 50 grams butter, melted
• 1 teaspoon paprika
• 1/2 cup unsweetened yoghurt
• small handful of fresh coriander, chopped
• balsamic vinegar, to drizzle