Finely chop the onion and garlic and fry until transparent in vegetable oil. Then pour the beer and simmer for 10 minutes.
Mix soy sauce with spices, sugar and vinegar. Pour into the saucepan and cook for another 10 minutes. At the end, add starch if the sauce is liquid for you, if the densestato is fine then starch is not needed.
The sauce is ready, it is very fragrant and tasty. This sauce is perfect for any meat. If you like homogeneous sauces then beat it before serving with a blender until you have the desired consistency.