Stir fried beef

1. Trim fat from steak and cut steak into small, thin pieces.

2. In a large skillet, heat oil and sauté garlic until garlic is golden.

3. Add steak, vinegar, salt, and pepper. Cook for 6 minutes, stirring beef until brown.

4. Add onion and tomato. Cook until onion is transparent. Serve with boiled potatoes.