A cozy, cheesy casserole with rich caramelized onions and tender rice — comfort food at its best! Perfect for busy weeknights or family gatherings, this dish combines hearty ground beef, creamy mushroom soup, and melty cheddar cheese for a satisfying all-in-one meal.

Why You’ll Love This Recipe

• Simple ingredients with big flavor.

• Family-friendly comfort food.

• One-pan prep before baking.

• Freezer-friendly for meal planning.

• Cheesy, savory, and filling.

Ingredients

• 1 lb ground beef (80/20 lean/fat)

• 2 large yellow onions, thinly sliced

• 1 cup white long-grain rice (uncooked, not instant)

• 1 can (10.5 oz) cream of mushroom soup

• 1 cup beef broth

• 1 cup shredded sharp cheddar cheese

• 2 tbsp butter

• 1 tsp kosher salt

• 1/2 tsp black pepper

• 1/2 tsp garlic powder

Prep Time: 15 minutes
Cook Time: 45 minutes
Total Time: 1 hour
Yield: 6 servings

Step-by-Step Instructions

Step 1: Cook the beef

Preheat oven to 375°F (190°C). In a large skillet, cook the ground beef over medium heat for 5–7 minutes, until no longer pink. Drain most of the fat, leaving about 1 tablespoon.

Step 2: Caramelize the onions

Add butter and sliced onions to the skillet. Cook on medium-low heat for 10–15 minutes, stirring occasionally, until the onions are golden and caramelized.

Step 3: Combine the filling

Stir in the rice, cream of mushroom soup, beef broth, salt, pepper, and garlic powder. Mix everything well to combine.

Step 4: Bake the casserole

Pour the mixture into a greased 9×13-inch baking dish. Cover tightly with foil and bake for 25 minutes.

Step 5: Add the cheese

Remove the foil, sprinkle shredded cheddar cheese on top, and bake uncovered for 10 minutes, until the cheese is melted and bubbly.

Step 6: Rest and serve

Let the casserole rest for 5 minutes before serving for best texture.

Frequently Asked Questions

Can I use a different type of rice?
Yes, but be sure it’s long-grain. Brown rice will need extra cooking liquid and time. Instant rice is not recommended.

Can I make this ahead of time?
Yes, assemble the casserole up to the baking step, cover, and refrigerate for up to 24 hours. Bake when ready.

Can I freeze this casserole?
Absolutely. Bake, cool, and freeze in portions. Reheat covered in the oven until warmed through.

What can I serve with it?
It pairs well with a side salad, steamed green beans, or roasted vegetables.

Final Thoughts

This 5-Ingredient French Onion Ground Beef and Rice Casserole is hearty, cheesy, and packed with comforting flavors. It’s the perfect weeknight dinner to feed the whole family without a lot of fuss.