Instructions

  1. Sort lentils and rinse under cold water.
  2. Place lentils, onions, celery, carrots, potato, garlic, cumin seeds, lemon zest, and vegetable broth in the crockpot.
  3. Cover and cook on LOW for 8-10 hours or on HIGH for 4-6 hours or until lentils and vegetables are tender.
  4. Add spinach and lemon juice and cook on HIGH for 20 minutes more.