Lentil Soup with mustard

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 (12 ounce) bag lentils , sorted and rinsed 2 lbs diced ham 4 stalks celery , thinly sliced 4 carrots , diced 1 medium onion , diced 8 -10 button mushrooms ,[...]

2 quarts water 1 large smoked pork hock 1 lb dried brown lentils 1 cup finely chopped onion 1/2 cup finely chopped celery 1/2 cup finely chopped carrot 2[...]