Creating Beef Giouvetsi can be a wonderfully rewarding experience. Follow these simple steps for the perfect result:

1. Sear the Beef: Heat the olive oil in a large pot over medium-high heat. Add the beef cubes and sear them until browned on all sides. Do this in batches if necessary. Remove the beef from the pot and set it aside.
2. Sauté the Aromatics: In the same pot, add the chopped onion and garlic. Sauté for 3-4 minutes or until the onion is translucent.
3. Combine Ingredients: Return the beef to the pot. Add the diced tomatoes, beef broth, tomato paste, oregano, thyme, bay leaf, salt, and pepper. Stir well to combine all ingredients.
4. Simmer: Bring the mixture to a gentle boil. Reduce the heat to low and cover the pot, allowing it to simmer for about 1 hour. Stir occasionally to prevent sticking.
5. Add the Orzo: After the hour has passed, stir in the orzo pasta. Adjust the seasonings if necessary. Cover again and cook for an additional 15-20 minutes, until the orzo is tender and has absorbed most of the liquid.
6. Rest: Once done, remove the pot from heat and let it rest for 10 minutes before serving. This helps the flavors to meld even better.
7. Garnish: Serve the Beef Giouvetsi in bowls, garnished with fresh parsley and grated Parmesan cheese if desired.

By following these steps, you will have created a dish that is both mouthwatering and satisfying.