1. Start by cutting your chicken into bite-sized pieces and set them aside. Then, in a bowl, mix red curry paste, fish sauce, oyster sauce, and curry powder, add your chicken and mix well (this can also be done the day before and stored in the refrigerator).
2. Peel your potatoes and cut them into bite-sized pieces. Then, boil them until they are tender.
3. Put a little oil in your frying pan and press your garlic, let it fry a little. Take your chicken mixture and let it fry in the pan.
4. When your chicken has some color, add the coconut milk and let it simmer for 2 minutes.
5. Cut your red onions into small wedges and separate them. Then, add them to your dish.
6. Finally, drain the water from your potatoes and add them to the dish. Season the dish with salt and pepper to taste. Now your dish is ready to be eaten.
Can be served with rice.