Lentil Soup with parmesan

1 tablespoon butter 1 tablespoon olive oil 1 lb Italian chicken sausage (bulk and spicy) 1/2 cup carrot , diced 1/2 cup onion , diced 1/4 cup celery , diced[...]

1 1/4 cups lentils (green or brown) 2 small carrots or 2 medium carrots , diced 2 cups mushrooms , sliced 3 stalks celery , diced 1 medium onion , diced 2[...]

1 (3 3/4-ounce) link hot Italian pork sausage 1 tablespoon olive oil 1 1/2 cups chopped red onion 1 cup sliced celery 2 carrots, peeled, halved lengthwise,[...]