1. 1. Season the beef with salt and black pepper.

2. 2. In a large skillet, heat oil over medium heat and add the seasoned beef. Cook until browned on all sides, then remove from the skillet and set aside.

3. 3. In the same skillet, sauté the diced onion until translucent. Add crushed garlic and cook for another minute until fragrant.

4. 4. Return the beef to the skillet and add fresh tomatoes. Cover and simmer for about 30 minutes, stirring occasionally, until the beef is tender and the sauce is thickened.

5. 5. Serve hot over rice or with crusty bread.