Lentil and sausage casserole is a hearty and flavorful dish that is perfect for a family dinner. Start by browning sausage in a skillet, then add in lentils, chopped vegetables, and your favorite seasonings. Transfer the mixture to a casserole dish and bake in the oven until the lentils are tender and the top is golden brown. Serve with a side salad for a complete meal.