Tuna steaks with cucumber relish

Tuna steaks with cucumber relish

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(20 ratings)

Prep: 15 mins Cook: 3 mins - 4 mins


Serves 4
Good source of heart-healthy omega-3 fatty acids

Nutrition and extra info

  • Healthy

Nutrition: per serving

  • kcal271
  • fat14g
  • saturates3g
  • carbs2g
  • sugars0g
  • fibre1g
  • protein34g
  • salt0.18g
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  • 3 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…

  • 4 tuna steaks, about 140g/5oz each

For the relish

  • ½ cucumber
  • 2 spring onions, finely chopped
    Spring onions

    Spring onion

    sp-ring un-yun

    Also known as scallions or green onions, spring onions are in fact very young onions, harvested…

  • 1 medium tomato, finely chopped



    A member of the nightshade family (along with aubergines, peppers and chillies), tomatoes are in…

  • ½ large red chilli, seeded and finely chopped



    Part of the capsicum family, chillies come in scores of varieties and colours (from green…

  • 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…

  • 2 tbsp chopped parsley



    One of the most ubiquitous herbs in British cookery, parsley is also popular in European and…

  • 1 tbsp lime or lemon juice


  1. Put the oil into a food bag and add the tuna steaks. Rub well together and leave for 30 mins while you make the relish. Peel the cucumber, halve lengthways and scoop out the seeds. Chop the flesh into a small dice. Mix with the rest of the ingredients, seasoning to taste. Set aside.

  2. To griddle: heat the pan to hot, then cook the steaks, turning after 2 mins, and cooking for another 2 mins each side depending on the thickness of the steaks. Meaty fish is best served slightly ‘pink’. Remove the steaks from the heat allow to stand for 3-5 mins, then spoon over the relish and serve.

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Comments, questions and tips

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surfnirvana's picture
7th Apr, 2015
Quick, easy, healthy and delicious for a lunch or light supper. I added some chopped watercress and baby spinach to the salad to bulk it up a little.
21st Jun, 2014
I added chopped garlic, red chilli and some lemon juice to the bag with the tuna steaks and they were delicious!!
20th Jul, 2013
Lovely, fresh and summery. The website was down when I wanted to make this last night, so had to be a bit creative with ingredients as I couldn't remember much apart from tuna and cucumber! Apart from cucumber and spring onions, I used a red pepper, chilli, fish sauce, rice wine vinegar, a bit of lime juice and a pinch of sugar in the relish, so the dish had a bit of an asian twist to it. Served on rice vermicelli and finished with a drizzle of sesame oil. My husband, who usually isn't keen on this sort of thing, really enjoyed it. I'm going to print out the recipe now so next time I can make the original version even if the site is down :)
18th May, 2013
Very tasty and will certainly do this recipe again .... enjoy
28th Mar, 2013
so easy and yummy. My husband loved it. Will make again
6th Jan, 2013
I made this relish and served it with chicken. YUMMY
15th May, 2012
Lovely, fresh and healthy. Also had with jacket potato and salad. Delicious!
18th Nov, 2011
I love this recipe! We have never tried tuna steak before & did not know what to expect. I made the salsa with chopped cherry tomatoes, cucumber, red peppers, sweet chilli, lemon juice, mint & abit of parsley. We had it with a small jacket potato & greek salad! It took me less than 15 mins to prepare & cook it :) Id recommend it! x
19th May, 2011
Really enjoyed this. Added a bit more chilli and also some basil to the relish. Cooked the tuna with some garlic in the pan and served with jacket potatoes and lamb's lettuce - delicious! will be making this again for sure.
4th Mar, 2011
Cooked this last night and it was a hit. My husband and I thoroughly enjoyed the cucumber relish but have overdone it with the chilli. I put two instead of 1 1/2. Will stick to the recipe next time.


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