Tuna with peppery tomatoes & potatoes

Tuna with peppery tomatoes & potatoes

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(24 ratings)

Prep: 10 mins Cook: 25 mins


Serves 4
Sweet peppers make a great addition to grilled meats and fish. A great al fresco meal with fresh flavours

Nutrition and extra info

  • Omega-3, 2 of 5-a-day, veg can be frozen
  • Easily halved

Nutrition: per serving

  • kcal371
  • fat11g
  • saturates2g
  • carbs31g
  • sugars11g
  • fibre4g
  • protein40g
  • salt0.48g
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  • 4 tuna steaks
  • 1 tbsp olive oil
    olive oil

    Olive oil

    ol-iv oyl

    Probably the most widely-used oil in cooking, olive oil is pressed from fresh olives. It's…

  • 3 garlic cloves, crushed
  • few thyme sprigs


    This popular herb grows in Europe, especially the Mediterranean, and is a member of the mint…

  • 500g bag new potato, sliced about 1cm thick
    New potatoes

    New potatoes

    n-ew po-tate-oes

    New potatoes have thin, wispy skins and a crisp, waxy texture. They are young potatoes and…

  • 2 red peppers, cut into large chunks
  • 1 red onion, cut into eighths
  • 1 green chilli, deseeded and chopped
  • 400g can cherry tomato


  1. Heat oven to 220C/fan 200C/gas 7 and put in a roasting tin to heat up. Put the tuna in a shallow dish with half the oil, two-thirds of the garlic and leaves from 1 sprig of thyme. Leave to marinate while you cook the veg.

  2. Put the potatoes, peppers, onion and chilli into the roasting tin with the remaining oil, toss to coat, then roast for 20 mins. The potatoes should be tender or very nearly there. If not, give them another 5 mins (the cooking time can depend on the variety of potato). Add the remaining garlic and thyme to the pan, let them sizzle, stir in the tomatoes, then cook for 5 mins more until the sauce has reduced a little. Season to taste.

  3. With a few mins to go, heat a griddle or frying pan, wipe most of the garlic marinade off the fish with kitchen paper, season, then sear for 1 min each side for medium or longer if you prefer. Serve on top of the veg.

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Comments, questions and tips

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14th Dec, 2008
Asda sell tinned cherry toms too. I agree that method has several timing issues,potatoes definately need par boiling before roasting even when cut 1 cm or less. Finished dish was fab though
17th Sep, 2008
Really enjoyed this, particularly the marinated tuna. Parboiled the potatoes as recommended but the veg still took twice as long as suggested to roast till nice and soft. Would definitely make again. To the person who couldn't find them - they sell tinned cherry tomatoes in Waitrose.
12th Sep, 2008
This recipe was really lovely... although I did have to par boil the potatoes. I didn't add the chilli but instead used 1-2 tbsp balsamic vinegar to add more flavour to the sauce. I would definately make this again.
1st Sep, 2008
Delicious. Really fresh tasting. I found the potatoes were cooked in the prescribed time - perhaps others overlooked the instruction to slice the potatoes into 1cm thick slices?
27th Aug, 2008
A very nice dish. I didn't have tinned cherry tomatoes so I used a combination of tinned chopped tomatoes and cherry tomatoes. Also used chilli flakes rather than fresh chilli. Enjoyed by all the family.
10th Jul, 2008
Hm. I'm interested in trying this recipe but having read the comments I'm a bit wary - am I the only one whose never come across a tin of cherry tomatoes? I keep looking around when I'm outand about and can't seem to see them
28th Jun, 2008
I forgot to buy a chilli, so instead I used a good slug of piri-piri sauce and it turned out great.
14th Jun, 2008
This was the first recipe I've tried from the good food website and it was delicious. I took heed of all the comments and made the necessary adjustments so thanks everyone!
13th Jun, 2008
really should have read the comments before trying to make this one - used the timings suggested and we were left waiting for the potatoes to cook for so long that we had eaten the rest of it before they were ready. Tasted really yummy still.
7th Jun, 2008
My first taste of fresh tuna, and it was good - although I slightly overcooked it! I also put the potatoes in about 15 minutes before the peppers, and the whole pepper/tomato/potato combination was really lovely.


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