Savory Stir-Fried Beef and Cabbage Soup

In a bowl, combine the sliced beef with soy sauce, oyster sauce (if using), sesame oil, garlic, and ginger. Toss to coat and let marinate for at least 15 minutes.
2. Stir-Fry the Beef:

Heat the vegetable oil in a large pot or skillet over medium-high heat.
Add the marinated beef to the pan in a single layer. Stir-fry for 3-4 minutes until the beef is browned and cooked through. Remove the beef from the pan and set it aside.
3. Prepare the Soup Base:

In the same pot, add the onion and carrot. Sauté for 3-4 minutes until softened.
Add the shredded cabbage to the pot and cook for an additional 2-3 minutes, stirring occasionally.
4. Make the Soup:

Pour in the beef broth, soy sauce, rice vinegar, and brown sugar. Stir to combine.
Bring the mixture to a simmer and let it cook for 10 minutes until the cabbage is tender and the broth is flavorful.
Return the cooked beef to the pot and stir. Let it heat through for 2-3 minutes.
5. Season and Serve:

Taste the soup and adjust seasoning with salt, pepper, or additional soy sauce if needed.
Ladle the soup into bowls, and garnish with fresh cilantro or green onions, if desired.
Serving and Storage Tips: