Combine the chicken broth, butter, salt, garlic powder, and pepper in a medium sauce pan over medium heat to warm. Once the liquid begins to simmer, reduce the heat to low and keep warm.
2 3/4 cup low-sodium chicken broth, 4 Tablespoons salted butter, 1 teaspoon kosher salt, 1/2 teaspoon garlic powder, 1/4 teaspoon freshly ground black pepper
Meanwhile, set a large skillet over medium heat and add the olive oil. When the oil is hot, add the pasta and stir well to coat. Cook for 4-5 minutes, stirring occasionally, until lightly browned. Add the rice and continue to cook another 4-5 minutes until the rice is bright white.
2 Tablespoons olive oil, 1/2 cup orzo, 1 cup long-grain white rice
Add the celery and onions and continue to cook for another 4-5 minutes, stirring occasionally, until the vegetables soften slightly, then pour the warm broth mixture into the skillet with the pasta and rice and stir to combine. Bring everything to a simmer, then cover and cook for 20 minutes until the liquid is absorbed
1/2 cup chopped celery, 1/2 medium onion
Sprinkle the rice pilaf with the chopped parsley, then fluff with a fork. Serve warm.
2 Tablespoons chopped fresh parsley