Ingredients:

1. ½  kg beef sirloin (or any tender cut of beef ), thinly sliced
2. 2 Tbsp cornstarch  (divided)
3. ½ tsp grated ginger
4. 1 medium  onion, sliced
5. ½ cup UFC Pieces and Stems Mushroom
6. 1 stalk celery, sliced
7. 1 small red bell pepper, sliced
8. 1 stalk leek, sliced
9. ¼ cup DATU PUTI Oyster Sauce
10. ¾ to 1 cup water
11. ½ cup GOLDEN FIESTA Corn/ Palm Oil

Marinade:

1. ½ pack (4 g pack)  WOW Sarap All-in-One Seasoning Granules
2. ¼ tsp sesame oil (optional)
3. 1 tsp minced garlic
4. 1 Tbsp SILVER SWAN Cane Vinegar
5. 1 Tbsp brown sugar

Procedure:

1. 1. Marinate beef for 1 hour or overnight in the refrigerator . Mix with  half of  cornstarch.  Fry by batch  in GOLDEN FIESTA Oil  until just browned . Set aside.
   2. Saute ginger, onion, UFC Mushrooms and remaining vegetables except leeks. Add beef, DATU PUTI Oyster Sauce  and water. Cover and simmer over low heat for 45 minutes or until meat is tender.
   3. Add dissolved cornstarch if desired. Simmer until thick. Add leeks.