Instructions

  1. Add lentils and water to a saucepan; bring to a boil; lower heat, cover, and simmer 10 minutes.
  2. Add celery, carrots, onion, ketchup, brown sugar, Worcestershire sauce, and lentils w/ water into a 4-quart slow-cooker.
  3. Cover and cook on LOW for 8-10-12 hours or until vegetables are tender.
  4. Just before serving, add vinegar and salt/pepper to taste.
  5. Fill pita pocket with a lettuce leaf and 1/2 cup lentil mixture.