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Easy Keto Baked Tuna with Garlic Green Beans and Swiss Chard

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Easy Keto Baked Tuna with Garlic Green Beans and Swiss Chard

Gluten Free28 February 2026 All Recipes
Prep: 15 min🍳 Cook: 45 minReady: 1h
300
Calories
4.9g
Net Carbs
15.7g
Protein
24.1g
Fat
Prep: 15 min🔥 Cook: 45 minReady: undefined min

How to Make It

Step

Recipe Steps steps 6 1 h

Step 1

Add three tablespoons of olive oil, sea salt, marjoram, chives, and cayenne pepper to a bowl. Mix well to combine. Optionally, add some garlic powder.

Step 2

Preheat the oven to 200°C (400°F). Line a small baking dish with parchment paper. Put the steaks in the baking dish. Brush each tuna steak with the prepared olive oil mixture and bake for 20-25 minutes.

Step 3

Put the trimmed beans in a deep pot. Pour in enough water to cover and bring to a boil. Cook for 10-12 minutes or until tender. Remove from the heat and drain.

Step 4

Add the remaining olive oil and butter to a large pan. Add the cooked beans and season with ¼ teaspoon of salt and garlic powder. Mix well and cook for 5-6 minutes over medium-high heat.

Step 5

Wash and roughly chop the Swiss chard. Peel and mince the garlic. Add the Swiss chard, garlic, and the remaining salt to a pan and cook for 5-6 minutes over medium-high heat.

Step 6

Divide the tuna, green beans, and Swiss chard between your lunch boxes. Optionally, season with some more salt or pepper and add a couple of lemon slices. Enjoy!

Ingredients

  • Wild Caught Tuna Steaks – 430 g
  • Extra virgin olive oil – 3 tbsp
  • Salt, sea salt – 0.25 tsp
  • Marjoram, dried – 0.5 tsp
  • Chives, dried or dehydrated – 1 tsp
  • Cayenne – 0.5 tsp
  • Green beans (string beans), raw – 250 g
  • Butter – 1 tbsp
  • Extra virgin olive oil – 3 tbsp
  • Salt – 0.25 tsp
  • Garlic powder – 0.5 tsp
  • Garlic – 2 clove
  • Salt – 0.25 tsp
  • Swiss chard – 300 g

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