Dushbara Recipe - Traditional Azerbaijani Dumpling Soup

Ingredients

• 1 lb (450 g) ground lamb (or beef)
• 1 medium yellow onion, finely grated
• 2 cups (10 oz) all-purpose flour
• 1 large egg
• 1/2 cup (4 fl oz) water (for dough)
• 1/2 tsp kosher salt (for dough)
• 1/2 tsp ground black pepper
• 1/2 tsp ground cumin
• 1/4 tsp ground coriander
• 1/2 tsp paprika
• 1/2 tsp salt (for filling)
• 6 cups (48 fl oz) rich beef or lamb broth
• 2 cloves garlic, finely minced
• 1/4 cup (0.5 oz) fresh cilantro, finely chopped
• 1/4 cup (0.5 oz) fresh mint, finely chopped
• 2 tbsp white wine vinegar
• 1 tbsp unsalted butter
• 1/2 tsp sumac (optional, for garnish)
• 1 lemon, cut into wedges (for serving)