Lentil Soup with sausage

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 lb lentils (any kind will work) 6 slices bacon 1 large carrot , diced 1 small onion , chopped 1 piece celeriac or 1 cup loosely packed celery leaves 2[...]

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[...]