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ULTIMATE Creamy Baked French Onion Butter Rice

A close-up of a serving of French onion butter rice, baked with a deeply browned, cheesy topping and visible caramelized onions.

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This baked rice dish captures the rich, savory flavor of French Onion Soup using caramelized onions, butter, and beef broth. It is a simple, comforting side perfect for weeknight meals or potlucks.

Ingredients

Scale
  • 2 tablespoons unsalted butter
  • 1 large yellow onion, thinly sliced
  • 1 teaspoon granulated sugar
  • 1/4 teaspoon salt
  • 1 cup long grain white rice, uncooked
  • 1 (10.5 ounce) can condensed cream of mushroom soup
  • 1 1/2 cups beef broth
  • 1 teaspoon Worcestershire sauce
  • 1/2 teaspoon dried thyme
  • 1/4 teaspoon black pepper
  • 1 cup shredded Gruyère cheese (or Swiss cheese)

Instructions

  1. Preheat your oven to 375°F (190°C). Lightly grease an 8×8 inch baking dish.
  2. Melt the butter in a large skillet over medium heat. Add the sliced onion, sugar, and salt. Cook slowly, stirring often, for 15 to 20 minutes until the onions are deeply caramelized and soft.
  3. In a large bowl, combine the uncooked rice, caramelized onions, cream of mushroom soup, beef broth, Worcestershire sauce, thyme, and pepper. Stir until all ingredients are well mixed.
  4. Pour the rice mixture into the prepared baking dish and spread it evenly.
  5. Cover the baking dish tightly with aluminum foil. Bake for 40 minutes.
  6. Remove the foil and sprinkle the shredded cheese evenly over the top of the rice.
  7. Return the dish to the oven, uncovered, and bake for another 10 to 15 minutes, or until the rice is tender and the cheese is melted and lightly golden brown.
  8. Let the rice rest for 5 minutes before serving.

Notes

  • For a deeper onion flavor, use a packet of dry onion soup mix instead of the separate onion, sugar, and thyme, reducing the added salt slightly.
  • This dish pairs well with roasted chicken or grilled steak.
  • If you prefer a stovetop method, cook the rice according to package directions using the beef broth, then stir in the caramelized onions and soup mixture until heated through.

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