Tuna fishcakes are super-easy, quick and cheap. You can also make and freeze them. Serve with a crispy salad, rice or vegetables for a tasty and filling dinner. Each fishcake provides 170kcal, 10g protein, 19g carbohydrate (of which 1.5g sugars), 5.5g fat (of which 1.5g saturates), 2g fibre and 0.6g salt.