Creating French Onion Chicken Orzo Casserole is a rewarding endeavor. Follow these steps to make your casserole effortlessly:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Cook Orzo: In a large pot, cook the orzo according to package instructions. Drain and set aside.
3. Sauté Onions: In a large skillet, heat olive oil over medium heat. Add onions and sauté until caramelized, about 15 minutes.
4. Add Garlic: Stir in the minced garlic and cook for an additional minute until fragrant.
5. Cook Chicken: Add the diced chicken to the skillet and season with salt, pepper, and thyme. Cook until the chicken is no longer pink, about 5-7 minutes.
6. Combine Ingredients: Stir in the cooked orzo, chicken broth, heavy cream, and Worcestershire sauce. Mix well to combine, allowing everything to warm together for about 5 minutes.
7. Transfer to Baking Dish: Pour the mixture into a greased 9×13-inch baking dish.
8. Add Cheese: Sprinkle the shredded Swiss cheese evenly on top.
9. Bake: Place the dish in the preheated oven and bake for 20-25 minutes, or until bubbly and golden brown.
10. Garnish: Remove from the oven and let it cool slightly. Garnish with fresh parsley before serving.

By following these steps, you’ll end up with a luscious casserole that’s sure to impress everyone at the table.