1. Prepare a blender, blend shallots and garlic with enough oil. 2. Prepare a non-oiled heated pan, then sauté the blended spices until fragrant. 3. Prepare a blender, then grind chicken breast with half of the blended spices, mushrooms, pepper, and salt until smooth. 4. Take the meatball mixture using hands, then shape it into round balls with the help of a spoon. 5. Prepare a pot filled with boiling water, then boil the meatball mixture until cooked.

6. Prepare the cobek, then grind the remaining spices together with bird's eye chili, curly red chili, pepper, and salt according to taste until smooth. 7. Add the ground spice mixture that has been ground to the pot containing the boiled meatballs, continue by adding soy sauce and fried onions according to taste, stir. 8. Transfer the cooked meatballs to a serving bowl, then add vinegar according to taste. The flourless chicken meatballs are ready to be enjoyed hot.