The Marinade uses in Chicken Inasal is composed of Philippine Lime, Pepper, Annatto (Atsuete) and Vinegar. The Chicken Inasal Recipe which has gained a steady following through the years with numerous restaurants serving their own rendition all throughout the Philippines.
This video shows another way of cooking chicken inasal.
Find it online: https://pilipinasrecipes.com/chicken-inasal-recipe/