질문하기
Cut the beef, tomato, and onion into bite-sized pieces.
Heat olive oil in a pan and stir-fry the beef.
When the beef is half-cooked, add the onion and stir-fry together.
When the onion becomes translucent, add the tomato and stir-fry.
Season with salt and pepper.
Top with mozzarella cheese, cover with a lid, and cook on low heat until the cheese melts.
