Tilapia Fishcakes

Ingredients

• 1 lb tilapia fillet, poached, flaked
• 3 potatoes, boiled, roughly chopped
• 6 ounces arugula, finely chopped
• 1 garlic clove, finely chopped
• 1 red chili pepper, finely chopped
• 1 stalk lemongrass, finely chopped
• 1 lime, juice of
• 2 teaspoons ground coriander
• 2 teaspoons turmeric
• salt & freshly ground black pepper
• 1 tablespoon polenta
• sunflower oil, for frying