- Heat a large skillet over medium heat and cook the ground beef until browned, about 5-7 minutes. Drain any excess fat. 
- Add garlic and ginger to the skillet and cook for 1-2 minutes until fragrant. 
- Stir in brown sugar, soy sauce, sesame oil, and red pepper flakes. Let simmer for 2-3 minutes to thicken slightly. 
- Serve over cooked rice and top with sliced green onions and sesame seeds.