Thick Lentil and Spinach Soup (DF, GF)

I love lentil soup - this soup is REALLY thick (which I like).

Ingredients:
1 onion, chopped

4 stalks celery, chopped

1 Tbsp minced jar garlic

2 cups dried lentils (I use Goya Lentils )

1 16-oz package frozen carrots

1 16-oz package frozen spinach

4 cups of veggie broth (no sugar) or water

1 tsp ground cumin

1 tsp ground coriander

1/2 tsp salt

1/4 tsp black pepper

3 dates, chopped

1 28-oz can tomatoes

Directions:

Put everything in a crockpot and cook on low for 8-10 hours or until done.