Minced onion and garlic. Heat pot on medium heat and add oil. Then add the minced onions and garlic with a pinch of salt.
Saute onions and garlic until golden brown and then add some tomato paste. Mix together.
Next, add some red wine to the pot. Cook for 3 minutes.
Add your beef broth and oyster sauce in the pot. Let it boil for 5 minutes and taste to see if you need to add salt. This depends on the type of beef broth you use.
Add worchestershire sauce to the pot. Heat sauce for 1-2 minutes.
While the sauce is heating up, make your corn starch slurry by mixing 2 tablespoon corn starch with ¼ cup water.
Add cornstarch slurry to the pot and some butter.
Mix well until the sauce thickens. Once thickened, add ½ teaspoon black pepper to taste then add to your omurice, potatoes or meat! Hope you enjoy!