Let’s walk through the steps to bring this heartwarming dish to life:

1. In a large skillet, heat the olive oil over medium heat. Season the diced chicken with salt and pepper, then add it to the skillet. Cook until the chicken is browned and cooked through, about 5-7 minutes. Remove the chicken from the skillet and set aside.
2. In the same skillet, melt the butter. Add the onion, garlic, carrots, and celery. Sauté until the vegetables are tender, about 8-10 minutes. I always feel a sense of nostalgia when the smell of sautéing onions fills the kitchen.
3. Sprinkle the flour over the vegetables and cook for 1-2 minutes, stirring constantly. This step reminds me of my grandmother’s gentle voice, guiding me through her kitchen rituals.
4. Slowly pour in the chicken broth, stirring constantly to prevent lumps. Add the milk and heavy cream, and bring the mixture to a simmer.
5. Add the thyme, rosemary, and frozen peas. Stir in the orzo and return the chicken to the skillet. Let everything simmer until the orzo is tender, about 10-12 minutes.
6. Stir in the Parmesan cheese until melted and the sauce is creamy. Taste and adjust the seasoning as needed.
7. Garnish with fresh parsley and serve hot. Each bite should remind you of home, of love, and of the joy that comes from sharing a meal with those you care about.