What ingredients are in lentil soup?

- Lentils (the main ingredient)

- Onion

- Garlic

- Carrots

- Celery

- Spices such as cumin, coriander, paprika, turmeric, and chili powder

- Vegetable broth or water

- Salt and pepper to taste

- Optional ingredients (based on preference) may include: tomatoes, diced potatoes, parsley, bay leaf, lemon juice, or coconut milk.