Lentil and vegetable stir-fry is a quick and easy dish that is perfect for a busy weeknight. It is made with lentils, fresh vegetables, and a simple stir-fry sauce, and can be customized to suit your taste. Some popular variations include adding tofu or chicken for a meatier flavor, or adding cashews or peanuts for added texture. Lentil and vegetable stir-fry is a great way to incorporate more plant-based protein into your diet, and is also a great source of fiber and vitamins.