Add lentils and water or stock, then secure lid or cover pot. Cook for 15 minutes in Instant Pot or 40-60 minutes on stovetop until vegetables are soft.
Release pressure, then blend the soup if desired. Adjust seasoning and water for desired consistency.
Optional: fry pita squares in oil until golden and crunchy. Serve soup with a squeeze of lemon and pita chips on top.
Notes
Adjust seasoning and water to taste. For a creamier soup, blend more thoroughly.