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Creamy baked rice casserole with melted cheese and ground beef, garnished with herbs.

French Onion Ground Beef and Rice Casserole

Hearty, cozy casserole with savory ground beef, tender long-grain rice, and rich French onion flavor baked under a blanket of melty cheese. A one-dish, weeknight-friendly meal that’s budget-smart and great for meal prep.
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Prep Time 15 minutes
Cook Time 1 hour
Total Time 1 hour 15 minutes
Course Casserole, Dinner, Main Course
Cuisine American
Servings 6 people
Calories 410 kcal

Ingredients
  

  • 1 lb ground beef
  • 1 small onion, diced
  • 1 cup uncooked long-grain white rice
  • 1 can (10.5 oz) French onion soup
  • 1 can (10.5 oz) cream of mushroom soup
  • 1 1/2 cups beef broth (low sodium preferred)
  • 1 tsp garlic powder
  • 1/2 tsp black pepper
  • 1 cup shredded mozzarella or Swiss cheese
  • 1 tbsp olive oil
  • salt, to taste (optional)
  • crispy fried onions, for topping (optional)

Instructions
 

  • Preheat oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish.
  • In a large skillet over medium heat, add olive oil, ground beef, and diced onion. Cook, breaking up the meat, until beef is browned and onion is softened; drain excess fat.
  • In a mixing bowl, combine uncooked long-grain rice, French onion soup, cream of mushroom soup, beef broth, garlic powder, black pepper, and a pinch of salt if needed.
  • Stir the cooked beef and onion into the rice mixture until evenly combined.
  • Pour mixture into the prepared baking dish and spread in an even layer. Cover tightly with foil to trap steam.
  • Bake covered for 50–60 minutes, or until rice is tender and most liquid is absorbed.
  • Remove foil, sprinkle shredded cheese evenly over the top, and bake uncovered for 5–10 minutes until cheese is melted and bubbly. Add crispy fried onions in the last few minutes if using.
  • Let rest 5 minutes before serving for cleaner slices and the creamiest texture.

Nutrition

Serving: 1peopleCalories: 410kcalCarbohydrates: 35gProtein: 22gFat: 21gSaturated Fat: 9gSodium: 820mgFiber: 1gSugar: 3g
Keyword French Onion Casserole, Ground Beef and Rice, Meal Prep, One Pan, Weeknight Dinner
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