Place everything on your kitchen counter first.
Check that you have the right amounts measured.
This makes cooking much faster and easier.
Add ketchup to your bowl first.
Pour in the Worcestershire sauce next.
These two create the sauce's foundation.
Stir them together until completely smooth.
Sprinkle in the sugar now.
Add the soy sauce and oyster sauce too.
Mix everything really well with your whisk.
The sugar should dissolve completely into the mixture.
Add rice vinegar for tanginess.
Sprinkle in garlic powder and ground ginger.
Whisk everything together for one minute.
Make sure no lumps remain in your sauce.
Take a small taste of your sauce.
Too sweet? Add more soy sauce.
Too tangy? Add a bit more sugar.
Adjust until it tastes perfect to you.
Pour the sauce into a clean jar.
Close the lid tightly.
Keep it in the fridge.
It stays fresh for two weeks easily.