Greek-style salad with tuna, feta and watermelon
A fresh Greek-inspired salad with lettuce, cherry tomatoes, cucumber, red onion, black olives, feta cubes, quickly seared fresh tuna and watermelon. The sweet juiciness of the watermelon balances the saltiness of the feta and olives, making a hydrating, complete dish rich in quality protein.

At a glance
- Prep10 min
- Total10 min
- DifficultyEasy
Allergens
- Dairy
- Fish
Who this recipe is for
A refreshing Mediterranean-inspired dish with fruit and cheese, suitable for a weight-loss plan on hot days.
Ingredients
Step by step
- Wash the lettuce thoroughly, drain, tear into medium-sized pieces and arrange it as the base in a large salad bowl.
- Wash the cherry tomatoes and cucumber; halve the tomatoes and cut the cucumber into thin half-moons.
- Peel and finely julienne the red onion, and cut the watermelon into seedless cubes.
- Heat a pan with a few drops of olive oil and sear the fresh tuna cubes over high heat for one or two minutes per side, so they are sealed on the outside and tender inside.
- Add the tomatoes, cucumber, red onion, black olives and watermelon cubes to the salad bowl.
- Crumble the feta over the top and add the freshly seared tuna cubes.
- Sprinkle with dried oregano and drizzle with extra-virgin olive oil (there is no need to add salt because the feta and olives are naturally salty). Serve with a slice of wholemeal bread.
Adaptations
How to change it depending on the day. Each change keeps the dish, it does not replace it.
For vegetarians
Leave out the fresh tuna and double the feta portion or add marinated firm tofu cubes, grilled.
If you cannot find fresh tuna
Use tuna canned in water or olive oil and drained, or small cubes of fresh salmon.
If you want to moderate the sodium content
Briefly rinse the black olives under running water and use less feta, adding more watermelon and cucumber instead.
What it provides
This salad is notably hydrating thanks to cucumber and watermelon, both of which contain more than 90% water. Seared fresh tuna provides high-biological-value protein and essential omega-3 fatty acids. Feta adds calcium and further protein, while black olives and extra-virgin olive oil provide heart-healthy monounsaturated fats. Served with wholemeal bread, it covers the three food groups in the plate method in a balanced way.
The dietitian's tip
Feta and olives already make the salad quite salty, so taste it before dressing and leave out any table salt. Serve it well chilled so the contrast between the cool watermelon and warm tuna is especially enjoyable.
Explore more healthy options in our weight-loss section. Other ideas with fresh and oily fish: tuna poke bowl and pasta salad with egg and tuna.
What a recipe is not
This recipe fits into a plan; it does not replace one. It cures nothing and it is not calculated for one particular person: the quantities are indicative and will need adjusting to your case.
If you have a medical condition, take medication or follow a prescribed diet, check with your doctor or your dietitian before changing anything.
Where this recipe comes from
The main guide
Weight-loss diet: how to lose fat and keep it off
You have tried diets that worked for a month, only for the weight to come back, and now you do not know…
The menu it belongs to
Complete salads: how to turn a salad into a main meal
A complete salad can fill you up without turning on the oven. You only need to combine vegetables, protein, carbohydrates and a…
Other recipes that fit the same way

Stuffed aubergines with minced beef
Roasted aubergines stuffed with minced beef, onion and green pepper, with a touch of soy sauce and thyme.

Aubergine omelette with microwave sweet potato
A juicy omelette with pan-browned aubergine and onion, served with spiced sweet potato cubes cooked in the microwave…

Chilled avocado and lime soup
This Latin American-inspired chilled soup combines ripe avocado, natural yoghurt, lime juice, fresh coriander and light vegetable stock.…
Would you like a plan made for you?
A recipe fits or does not fit depending on what is going on with you. In clinic we build the whole plan around what you eat, what you tolerate and what you fancy.



