Chop all vegetables and potatoes into 1 inch slices or cubes.
Saute fennel and leeks in 1 Tbsp coconut oil for about 3-5 minutes. Then add in mushrooms.
Combine 5 cups of vegetable stock with carrots, celery, potatoes, tomatoes, water chestnuts, tomatoes and seasonings in pot.
Add sauteed fennel, leeks, and mushrooms to pot.
Bring to boil then simmer with lid on until potatoes are tender, about 30 minutes.
Spoon out two cups of the broth and veggies and roughly blend in food processor.
Add blended mixture back to pot to create a thicker stew.
Garnish with cilantro and enjoy!