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Easy Weeknight French Onion Butter Rice: Rich, Buttery Side Dish

A close-up of baked french onion butter rice in a white dish, showing fluffy rice and a deeply caramelized onion topping.

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Make this rich, buttery side dish that captures the savory flavor of French onion soup. This easy rice recipe uses simple ingredients to create a comforting side perfect for steak or chicken.

Ingredients

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  • 1 tablespoon olive oil
  • 4 tablespoons unsalted butter, divided
  • 2 large yellow onions, thinly sliced
  • 1 teaspoon dried thyme
  • 1/2 teaspoon garlic powder
  • 1 cup long-grain white rice, uncooked
  • 1 (10.5 ounce) can condensed French onion soup
  • 1 1/2 cups beef broth
  • 1/2 cup shredded Gruyère cheese (optional, for topping)
  • Salt and black pepper to taste

Instructions

  1. Preheat your oven to 375 degrees Fahrenheit. Lightly grease an 8×8 inch baking dish.
  2. In a large skillet over medium heat, melt 2 tablespoons of the butter with the olive oil. Add the sliced onions and cook slowly for 15 to 20 minutes, stirring occasionally, until they are deeply caramelized and soft.
  3. Stir the dried thyme and garlic powder into the caramelized onions. Cook for 1 minute until fragrant.
  4. Add the uncooked rice to the skillet and stir for 1 minute to coat the grains in the butter and onion mixture.
  5. In a separate bowl, whisk together the condensed French onion soup and the beef broth. Pour this liquid mixture over the rice and onions in the skillet. Stir gently to combine.
  6. Transfer the entire mixture to your prepared baking dish. Dot the top evenly with the remaining 2 tablespoons of butter.
  7. Cover the baking dish tightly with foil. Bake for 40 to 45 minutes, or until the liquid is absorbed and the rice is tender. Do not lift the foil during the first 35 minutes of baking.
  8. Remove the dish from the oven. If using, sprinkle the Gruyère cheese over the top. Return the dish to the oven, uncovered, for 5 more minutes, or until the cheese melts.
  9. Let the rice rest, covered loosely, for 5 minutes before fluffing with a fork and serving. Season with salt and pepper as needed.

Notes

  • For a quicker onion flavor, you can substitute the caramelized onions with 1 cup of French onion soup base mixed with 1/2 cup of sautéed chopped onion.
  • This dish pairs well as a side dish for steak or roasted chicken.
  • If you skip the Gruyère cheese, this recipe becomes a simple, flavorful rice casserole.

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