Preheat the oven to 425°F and spray a 8x8 or 2 quart casserole or baking dish with cooking spray. We've found that a deep, high sided dish works better than a shallow, wide dish.
Stir together the rice, onion soup mix and beef broth.
Slice the butter into smaller pads and float evenly on top of the rice and broth.
Cover tightly with foil or the lid and bake for 30 minutes. Remove the foil/lid and bake for another 30 minutes.
Remove and fluff with a fork before serving.
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