Created by Sue on March 2, 2013
Step 1: Sort lentils and rinse under cold water.
Step 2: Place lentils, onions, celery, carrots, potato, garlic, cumin seeds, lemon zest, and vegetable broth in the crockpot.
Step 3: Cover and cook on LOW for 8-10 hours or on HIGH for 4-6 hours or until lentils and vegetables are tender.
Step 4: Add spinach and lemon juice and cook on HIGH for 20 minutes more.