1, appropriate amount of garlic, beef broth, onion, soy sauce, brown sugar, black pepper.

2, first of all, we will process the garlic into garlic paste.

3, next, we cut the onion into small slices.

4, then, the beef broth, soy sauce, brown sugar, flour and black pepper together, stirring well.

5: Next, add the vegetable oil, garlic and onion to the pot and add salt.

6: Pour the mixture obtained in step 3 into the pan and cook on low heat for 5-10 minutes. Keep stirring the sauce until it thickens.

7: This is how to make black pepper sauce.