01 -
Preheat oven to 175°C. Grease a 33x23 cm (9x13 inch) baking dish with unsalted butter to prevent sticking.
02 -
In a large bowl, combine rice, cream of chicken soup, cream of mushroom soup, dry onion soup mix, and water. Stir until thoroughly blended. Add frozen mixed vegetables, garlic powder, and Italian herbs if using.
03 -
Pour the rice mixture evenly into the prepared baking dish. Place chicken breasts on top, ensuring even distribution for uniform cooking. Press gently to partially submerge chicken in the sauce.
04 -
Cover baking dish tightly with aluminum foil to retain moisture. Bake in the preheated oven for 50 minutes.
05 -
Remove foil and check the internal temperature of chicken; it should reach 74°C. If necessary, bake uncovered for an additional 10 minutes to brown the top and ensure the rice is tender.
06 -
Let stand for 5 minutes before serving to allow flavors to settle. Garnish with fresh thyme as desired.