In a large skillet over medium heat, add the ground beef. Break it up with a wooden spoon or spatula and cook until browned, about 5-7 minutes. Drain excess fat, if necessary.
Add the minced garlic and ginger to the skillet. Sauté for 1-2 minutes until fragrant.
Stir in the soy sauce, brown sugar, sesame oil, Gochujang, and chopped green onions. Mix well to combine and let it simmer for about 3-5 minutes until the sauce thickens slightly.
Taste and adjust seasoning with salt and pepper if desired.
Serve the Korean ground beef hot over cooked rice or in lettuce leaves for wraps.
For extra nutrition, consider adding vegetables such as bell peppers or carrots while cooking the beef.
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat before serving.