Soak the diced onion in a small bowl of cold water for 20 minutes or so, or while you're assembling the rest of the ingredients. Drain.
Combine all ingredients in a big bowl. Toss with the Cumin Vinaigrette below, starting with several tablespoons and then adding more until all the salad components are nicely coated but not wet. Taste and adjust seasonings as required.
Brown Lentil, Quinoa and Parsley Salad https://urbancottagelife.com/secret-1-to-healthy-cottage-eating-%e2%9a%93-brown-lentil-quinoa-parsley-salad/