Step 1 Cook potatoes in a large saucepan of boiling water for 12 minutes, or until tender. Drain. Return to pan. Mash roughly with a fork. Set aside to cool.

Step 2 Add tuna, capsicum, spring onions, coriander, lime zest and egg to pan. Mix well.

Step 3 Shape mixture into 12 patties. Place flour onto a large plate and lightly coat each patty.

Step 4 Brush a non-stick frying pan with oil and heat over a high heat. Cook patties in 3 batches for 2–3 minutes each side, or until golden.

Step 5 To make dipping sauce, mix all ingredients in a bowl. Serve cakes with sauce, rice, salad and lime wedges.