Add garlic, soy sauce, salt, and pepper to the meat. Mix well, and leave for 5-10 minutes to marinade
Meanwhile, cut the red pepper into long strips
Cut broccoli flowers into smaller pieces
Heat the olive oil and add broccoli flowers and red pepper, cook for 1minute
Add meat and cook everything for 8-10 minutes, stirring periodically
Cut scallions and add them at the very end, when the meat and vegetable are ready