Preparation 1. Skin and de-bone pork pata. In a sauce pot, combine Knorr Oyster Sauce, bayleaf, star anise, rice wine, water, black peppercorn and pork pata. Use pressure cooker for faster cooking, which will take about 30 minutes. Let it cool for a while and pull into strands consistency. 2. Reserve the broth, transfer it in a smaller sauce pot, season the broth with Knorr Chicken Powder and white pepper. Let it boil. 3. Make a slurry and add it in the broth to make a thickened sauce.