- In a bowl combine olive oil, worcestershire sauce, oyster sauce, paprika and soy sauce. Add thinly sliced beef and mix it well. Leave to marinate for a minimum of 1 hour.
- Pre-heat oil in a pan. Sauté chopped garlic till light brown. Add the marinated beef and continue to sauté till the beef is tender. Add chilli flakes and pepper to taste.
- Add butter and bell pepper. Simmer till the bell pepper is cooked. Ready to serve.