Heat a medium saucepan to a medium heat. Add butter. Once the butter melts, add broken whole-wheat pasta. Cook in the butter until toasted and golden brown, about 4-5 minutes. Add onion and rice. Toast another 2-3 minutes until the onion is fragrant and rice is slightly toasted. Season with salt and pepper.
Add 1 3/4 cups chicken stock, onion powder, garlic powder, and salt. Bring to a boil and reduce to a low simmer. Cover and cook for 15 minutes. Remove from the heat and let the mixture sit for another 10 minutes.
Remove the lid and stir in remaining chicken broth and parsley. Toss to combine. Season with salt and pepper.