Fish koftas

Bahan-bahan (10 porsi)

• 500 g /1 lb white fish fillets (,skinless, cut in pieces (Note 1))
• 1 egg white ((add leftover yolk to scrambled eggs!))
• 1/2 red onion (, grated using a box grater (keeps koftas soft!))
• 2 g arlic (, finely minced)
• 1 tsp cumin powder
• 1 tsp coriander powder
• 1/4 tsp cinnamon powder
• 1/4 tsp cardamom powder
• 1 tsp cooking salt ((kosher salt))
• 1/2 cup rice flour ((sub cornflour/cornstarch))
• 2 tbsp chopped parsley
• 70 g / 2.5 oz danish feta (, plus extra for optional garnish (Note 2))
• 2 tbsp extra virgin olive oil
• 3/4 cup plain yogurt (, unsweetened)
• 1/2 cup (tightly packed) mint leaves
• 2 tsp lemon juice
• 1/4 tsp cooking / kosher salt
• Parsley or coriander (, roughly chopped)
• Persian Jewelled Rice (or plain basmati rice)