1. Cut the beef short ribs into small pieces. Add all marinade ingredients and mix well. Marinate for 1 hour.
2. Shred the shallot. Peel and shred the onion. Remove the seeds of red & yellow bell pepper, cut into pieces.
3. Heat oil to boil. Add the beef short ribs. Pan fry until both sides are in golden color. Dish up.
4. Heat oil to boil. Add the shredded shallot, minced garlic and onion shreds. Stir fry. Add the red & yellow bell pepper. Stir fry until softened. Add ground black pepper and stir fry until fragrant. Add the cooked beef short ribs and stir well.
5. Add the sauce ingredients, stir well and cook to boil. Dish up and ready to serve.