Gluten Free lentil Crock pot

Thinking of a friend of mine who can't eat gluten:

Gluten free lentil crock pot

2 cups lentils (brown)

2 stalks celery (cut up)

4 carrots (sliced)

3 parsnips (sliced)

1 potato (cubed)

1/2 green cabbage (diced)

1 onion (Diced)

1 tsp. dried tarragon

1 tsp. dried Thyme

8 cups vegetable stock or water

1 tbsp salt

Combine all ingredients into crock pot. Set on Low for 8 hours.