In a small mixing bowl: add soy sauce, black vinegar, sesame oil, white sugar. Whisk until well combined. Set aside.
In a large skillet, heat the oil over high heat and add beef, then season with a pinch of salt and pepper. Cook undisturbed for about 2-3 minutes on one side, then flip and repeat the same proces on the other side until the meat is browned.
Using a wooden spatula, start break the meat into small pieces. Push the meat to the side of skillet.
Add cumin, garlic and shallots. Cook until fragrant.
Stir the beef with the cumin, garlic and shallots mixture.
Add the asian marinade sauce and reduce the heat to medium.
Keep stirring until the meat is coated and is cooked through (for about 4 minutes). Season with salt and pepper according to your taste.
Serve over rice or lettuce. Top with some fresh mint or basil leaves, choppe green onion, and sprinkle with sesame seeds.