Heat the sesame oil in a large skillet over medium heat. Add the ground beef and cook for 5 to 7 minutes or until browned. Drain off the fat.
Add the broccoli and garlic to the browned beef and saute for 5 minutes.
Add the brown sugar, soy sauce, ginger, and black pepper. Simmer for 2-3 minutes. Stir in the Sriracha and Gochujang and cook for an additional minute.