How to make
Place the couscous in a saucepan with 2 cups of boiling salted water. Boil until it absorbs all the water, while occasionally tirring.
After that, remove it from the heat and cover tightly with a lid. It is then left to cool like that.
During this time, peel the cucumber and dice it.
The tomatoes are washed and also diced.
In a bowl, mix the chilled couscous, cucumbers, tomatoes, tuna and finely chopped parsley.
The salad is seasoned with salt, black pepper, olive oil and freshly squeezed lemon from half a lemon. Serve chilled with lemon slices.