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  • Preparation Time

    20 minutes

  • Cooking Time

    20 minutes

  • Difficulty Rating


  • Serves



  1. 4 oz / 120 gm fresh tuna
  2. Juice of 1 lemon
  3. 2 tsp / 10 ml olive oil
  4. 1 onion, finely chopped
  5. 3 cloves garlic, finely chopped
  6. Salt or substitute to taste


  1. Soak the tuna in lemon juice for about 30 minutes.
  2. Heat olive in a non-stick pain on medium-high heat. Add chopped onion and garlic and sauté till golden brown, about 5 minutes.
  3. Add the tuna and toss gently. Cook over low heat, turning sides, so that the tuna is cooked evenly from both the sides. Add salt or substitute to taste.
  4. Remove to a serving dish, and serve hot with brown rice (⅓ cup = 1 carb serving).

Serving size: 2 oz / 60 g tuna

Exchanges per Serving: 0 Carb, 2 Protein, 0 Fat

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Comments 6

    • Hi, Covey413. This is not one of our keto recipes. If you are interested in the latter, you can search for those with “keto” in the title or description, or with nutritional information near the top of the page (with fat grams higher than the combination of protein+carbohydrates).

    • Hi, Just4Ute, and welcome. You can slip these into your meals by comparing the “Exchanges per Serving” at the end of recipes to those allotted to the desired meal. The latter are visible when you click on “Exchange mode” in the toolbar above any of your menus.

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