1. Lightly sprinkle the meat with salt and garlic powder, then coat in cornstarch. Let sit for 10 minutes.
2. In a large saucepan, heat one inch of oil. Recoat the meat with cornstarch and shake off the excess starch. Deep-fry on medium heat for two to three minutes, taking care not to overcrowd the pan. Remove from pan and drain the extra oil.
3. In the pan, mix sauce ingredients together and bring to a boil. Add the beef and mix until well combined.
4. In a bowl, combine orzo ingredients. Toss with the crispy beef.
5. Serve warm.