Then add in the chicken thighs, potato, the pre-cooked lentils, the water/stock as well as salt and pepper. Bring to a boil, then reduce and simmer for 30 minutes.
After thirty minutes, take out the chicken and shred it. Add the shredded chicken back to the soup.
Cook for 5 more minutes, then add in the zucchini, parsley, garlic, salt and pepper. Let cook without a lid for 5 more minutes.