Put the pork hocks in the pot once the water has begun to boil. Boil for 20 minutes while covered.Boiling pork hocks should be removed from the pot. Throw away the water.
In the same frying vessel, heat the oil before sautéing the garlic and onion.When the onion begins to soften, add the boiled pig hock back. For 2 to 3 minutes, cook.
Add the remaining 3 cups of water, soy sauce, and Knorr liquid seasoning. Add dried bay leaves and whole peppercorns. Allow to boil. The pork should be covered and cooked over low to medium heat until it is tender (around 40 to 60 minutes). If necessary, you can flip the pork hock over to cook the other side. If extra water is required, add it.
In the frying pot, add the vinegar. Re-boil the liquid. Brown sugar and banana flowers are added after stirring. Salt as necessary.For 8 minutes, cook with a cover.