Ingredients 
- 1 red onion
 - zest and juice 1 lemon, plus wedges to serve
 - 1 tbsp olive oil
 - 400ml hot vegetable stock
 - 250g couscous
 - 4 tuna steaks, about 140g/5oz each
 - 1 tbsp English mustard
 - bunch flat-leaf parsley, roughly chopped
 - 2 tbsp capers
 - salt & pepper to taste
 
Instructions
- Finely slice the onion, place it in a small bowl and add the lemon juice and lemon zest, juice and 1 tbsp oil, add salt and pepper to taste, then leave to soak for 5 minutes.
 - Place couscous in a large bowl. Pour the hot stock over the couscous, cover with cling film and leave for 10 mins until the stock has been absorbed.
 - Meanwhile, season the tuna steaks with salt and pepper, brush with olive oil, then pat the mustard over both sides.
 - Once the couscous is ready, add the parsley and capers to the onions, stir well, then mix into the couscous with a fork.
 - Heat your Whatever Pan and sear the tuna for 1 min on each side until medium-rare.
 - Serve the tuna with the couscous and lemon wedges on the side.
 
- Rare tuna steak – cook for 30 seconds per side.
 - Medium tuna steak – cook for 1-2 minutes per side.
 - Well-done tuna steak – cook for 3 minutes per side.
 

United States