Step 1

Preheat the oven to 325 degrees F.

Step 2

Spray a 9×13-inch pan with cooking spray.

Step 3

Add the chicken breasts to the prepared pan and season them with the salt and the pepper.

Step 4

Pour the uncooked rice over the chicken and sprinkle it with the onion soup mix.

Step 5

Combine the mushroom soup and the water in a bowl and pour it over the chicken mixture.

Step 6

Cover the pan with foil and bake until the rice is tender, about 1 hour 15 minutes.

Step 7

Serve.