Harira (Moroccan Lentil and Chickpea Soup)

Ingredients

• 1 tablespoon olive oil
• 3 to 4 chicken thighs (bone in + skin on)
• 2 yellow onions, peeled and finely chopped
• 6 celery stalks, finely chopped
• 2 cups grated tomatoes or canned crushed tomatoes
• 1 cup canned chickpeas, drained
• 1 cup brown, green or red lentils
• ½ teaspoon ground turmeric
• 1 teaspoon ground black pepper
• 2 teaspoons kosher salt
• 2 ½ quarts chicken broth or water
• 1-2 tablespoons all-purpose flour
• 1-2 tablespoons water
• 1 bunch parsley, finely chopped
• 1 bunch cilantro, finely chopped
• ½ cup lemon juice