Nuts are a great addition to salads, as they provide a crunchy textural contrast. Fibre- and protein-rich beluga lentils make this salad thoroughly satisfying. Walnut oil’s toasty flavour is a powerful addition to dressing, but you can also use extra-virgin olive oil, sesame oil, or almond oil. If desired, you may replace smoked trout with smoked salmon or mackerel.