Rinse the lentils, then cook in salted water until tender, about 15-20 minutes. Drain and set aside to cool.
In a large mixing bowl, add the cooled lentils with the spring onions, tomatoes, parsley, mint and 4 tablespoons of olive oil, stir well to combine. Add the lemon juice. Season with salt and black pepper to taste.
Recipe by the minimalist table at https://www.daraboxer.com/theminimalisttable/lentil-tabbouleh/