Combine together all the ingredients for marination – curry leaves, ginger, garlic, ground turmeric, ground coriander, garam masala, red chilly powder, rice flour, lemon juice, and enough salt – in a large bowl. Add water (if needed) to make a smooth paste.
Use this paste to marinate chicken for at least 30 minutes in the refrigerator.
To make fried thattukada chicken, heat oil in a deep pan over medium-high heat. When the oil is hot enough, slide in chicken pieces. ( in this recipe, the chicken is deep fried. So make sure you’ve enough oil in the pan). When one side is done, flip over to cook the other side.
When chicken is nearly done, add curry leaves and fry along with the chicken. Drain on an absorbent towel. Serve warm.