Creating Ground Beef Bulgogi is straightforward when you follow these simple steps:

1. Prepare the Marinade: In a bowl, combine soy sauce, brown sugar, sesame oil, minced garlic, minced ginger, gochugaru, and rice vinegar. Mix well until the sugar dissolves.
2. Marinate the Beef: Add the ground beef to the marinade, mixing thoroughly to ensure the beef is evenly coated. Let it marinate for at least 20 minutes for better flavor.
3. Cook the Beef: Heat a large skillet over medium-high heat. Add the marinated ground beef to the skillet, breaking it apart with a spatula or wooden spoon.
4. Sauté: Cook the beef for about 5-7 minutes, stirring occasionally until it is browned and cooked through.
5. Add Green Onions: Stir in the chopped green onions and sesame seeds, cooking for an additional minute.
6. Adjust Seasoning: Taste the beef and adjust seasoning with salt and pepper as needed.
7. Serve: Remove from heat and let it rest for a minute before serving.

These steps will guide you to make Ground Beef Bulgogi effortlessly, ensuring a delicious outcome every time!