Begin by carefully shredding the cabbage into thin strips; chop the onion and green onions, and mince the garlic and fresh ginger.

In a large skillet, heat a splash of oil over medium heat. Add the ground beef, breaking it apart with a spatula. Cook for about 5-7 minutes until browned.

Once the ground beef is browned, stir in the onions, garlic, and ginger. Cook for an additional 3-4 minutes until the onions are translucent.

Add the shredded cabbage to the skillet, folding it gently into the beef mixture. Cook for an additional 5 minutes.

Pour in the soy sauce and optional oyster sauce, stirring well. Let the mixture simmer for about 5-7 minutes.

Remove from heat and season with salt and black pepper. Garnish with sliced green onions and sesame seeds.