When you’re craving comfort food, nothing quite hits the spot like a warm, cheesy casserole. And let me tell you, this French Onion Ground Beef and Rice Casserole is the definition of cozy, hearty, and satisfying. It’s one of those dishes that immediately transports you to a place of pure comfort, with the kind of flavors that make you feel like you’re getting a big, delicious hug from the inside.
This casserole is like the ultimate blend of savory ground beef, fragrant French onion soup, creamy mushroom soup, and of course, a good amount of melted cheddar cheese. The rice cooks right in the casserole, soaking up all those wonderful flavors while baking, creating the most comforting, creamy texture. It’s a dish that checks all the boxes: filling, flavorful, and oh-so-easy to make. Plus, it’s one of those meals that gets better the next day when the flavors have had a chance to meld together even more.
Now, let’s get into the good stuff—the recipe. If you’ve got a hungry crowd to feed or just want a family-friendly meal that everyone will devour, this one’s for you.
Step 1: Preheat Your Oven and Prepare the Beef
First things first: preheat your oven to 350°F. This is a key step because you’ll need that oven nice and hot to bake this casserole to perfection.
While the oven is heating up, let’s move on to browning the ground beef. Grab a large skillet, place it over medium heat, and add a tablespoon of olive oil. Once the oil is heated, add in your ground beef. Cook it for about 5-7 minutes, breaking it up with a spoon as it cooks, until it’s nice and browned. Don’t forget to drain any excess fat from the beef once it’s cooked. We want the beef to be flavorful, not greasy.
Step 2: Add Your Seasonings
Once the beef is browned and ready to go, it’s time to give it some flavor. Stir in the garlic powder, onion powder, salt, and pepper. You’ll instantly start to smell that savory, aromatic goodness. Give it a quick mix to combine, and then set the skillet aside. The beef is seasoned and ready to join the casserole base.

Step 3: Mix the Rice, Soups, and Broth
Now, grab a large mixing bowl because we’re about to bring everything together. Add in the uncooked rice (yes, uncooked—don’t cook it beforehand!), the French onion soup, the creamy mushroom soup, and the beef broth. This combination is what gives the casserole its rich, comforting flavor. Stir it all together until it’s well mixed.
You’ll also want to add in your Worcestershire sauce for a little extra depth and tang, along with half of the shredded cheddar cheese. I love the balance of flavors in this dish, and the cheese will melt right into the mixture, making it creamy and irresistible. Stir everything again to make sure all the ingredients are fully incorporated.

Step 4: Combine Beef and Rice Mixture
It’s time to bring the cooked beef into the fold. Add the browned ground beef to the bowl with the rice and soup mixture, and stir until everything is evenly combined. This is when you start to see the casserole come together. All those flavors, from the savory beef to the rich, creamy soups, are blending beautifully.
Once everything is mixed in, it’s time to get ready for baking!
Now that the beef and rice mixture is all set, it’s time to move on to the next part of the process—getting this casserole ready for the oven. Trust me, you’ll be amazed at how simple it is to get this dish into the oven, and the results will have you coming back for more.

Step 5: Transfer the Mixture to the Baking Dish
Grab a 9×13-inch baking dish and lightly grease it with cooking spray or a little bit of butter. You want to make sure the casserole won’t stick to the sides of the dish while it’s baking. Once it’s greased, carefully pour the beef and rice mixture into the dish, spreading it out evenly with a spatula. This is going to bake up into a beautiful, cheesy masterpiece.
The rice will absorb all the savory flavors as it cooks, and you’ll end up with a golden-brown top layer that’s just the right amount of crispy. Trust me, when you slice into this casserole, you’ll see that wonderful, cheesy texture in every bite.

Step 6: Cover and Bake
Now that your casserole is in the dish, it’s time to cover it. Use a piece of aluminum foil to cover the baking dish tightly. This helps trap the moisture inside so the rice cooks through and absorbs all the flavors. You’ll bake this covered for about 60 minutes. Don’t peek during this time! The slow baking allows the flavors to meld together and ensures the rice cooks perfectly.
While the casserole bakes, it’s a good time to kick back and relax. The house will start smelling absolutely amazing, and it’ll be hard to resist the temptation to sneak a taste (don’t worry, I won’t judge!).

Step 7: Add the Cheese and Bake Uncovered
Once the 60 minutes are up, carefully remove the foil. The casserole will look slightly puffed and cooked, but it’s time for the real magic to happen—the cheese. Sprinkle the remaining shredded cheddar cheese over the top of the casserole. This is the part where things get really delicious. The cheese will melt into the casserole, creating a gooey, bubbly topping that makes it impossible to resist.
After adding the cheese, return the dish to the oven, uncovered, and bake for an additional 10-15 minutes. This step is when you’ll see that golden, bubbly top that makes casseroles so irresistible. The cheese will get all melty and slightly browned, just the way we want it.
Step 8: Let It Sit and Serve
Once the casserole is out of the oven and the cheese is perfectly melted and bubbly, let it sit for about 5 minutes. This helps the casserole set up a bit, making it easier to cut and serve without everything falling apart. Plus, you get a moment to catch your breath before diving in (though let’s be real, that first bite is going to be totally worth the wait).
If you want to add a little extra flair, you can garnish the casserole with some freshly chopped parsley. It gives the dish a pop of color and a fresh contrast to all that rich, cheesy goodness.
Helpful Tips and Variations
- Make it Spicy: If you like a little heat, try adding a pinch of red pepper flakes or a chopped jalapeño to the beef mixture. This will give the casserole an extra layer of flavor with a little kick.
- Swap the Cheese: While I’m all about that cheddar cheese, you can easily switch it up. Try using mozzarella for a stretchier, milder cheese or even a sharp gouda for a smoky twist.
- Add Veggies: For a more well-rounded casserole, consider adding some vegetables to the mix. You can toss in frozen peas, carrots, or even sautéed mushrooms for added texture and flavor.
- Make it Ahead: This casserole is perfect for meal prep. You can assemble it ahead of time, cover it tightly, and refrigerate it until you’re ready to bake. When you’re ready, just pop it in the oven and bake as directed.

FAQ Section and Conclusion:
We’re almost there! Your French Onion Ground Beef and Rice Casserole is bubbling away in the oven, and I can almost smell the cheesy, savory goodness from here. But before you dive in and enjoy every last bite, I know you might have a few questions about the recipe or how to make it your own. Let’s take a look at some of the most common ones.
1. Can I use brown rice instead of white rice?
Yes, you can! However, if you choose to use brown rice, keep in mind that it takes longer to cook. You’ll want to increase the baking time by about 20-30 minutes and add a little more beef broth to ensure the rice cooks through properly. Brown rice has a chewier texture, which can make for an even heartier casserole, but you’ll need to adjust the cooking time to accommodate it.
2. Can I make this casserole in advance and freeze it?
Absolutely! This casserole is a great dish to freeze for later. To do so, prepare the casserole as directed (without adding the cheese on top). Cover it tightly with foil and freeze for up to 3 months. When you’re ready to bake, thaw it in the refrigerator overnight, then top with cheese and bake as usual. You might need to add an extra 10-15 minutes to the baking time to ensure it’s heated all the way through.
3. How do I store leftovers?
Leftovers can be stored in an airtight container in the fridge for up to 3-4 days. Simply reheat in the microwave or bake in the oven until heated through. The casserole tends to get even more flavorful after a day or two, so it’s definitely worth saving those leftovers!
4. Can I use a different type of ground meat?
Yes, you can switch up the ground meat if you prefer. Ground turkey, chicken, or pork all work well in this casserole. Each type of meat will give the dish a slightly different flavor, so it’s a great way to customize it to your liking. Just be sure to cook the meat thoroughly before adding it to the casserole.
5. Is there a way to make this casserole lighter?
If you’re looking to lighten up the dish, you can swap out the cream of mushroom soup for a lighter version or use low-sodium beef broth. You can also reduce the amount of cheese or use a lower-fat cheese. While the casserole is undeniably comforting, these tweaks can help make it a bit healthier without sacrificing too much flavor.
6. What can I serve with this casserole?
This casserole is a one-dish wonder, but it pairs well with a fresh salad or some roasted vegetables for a complete meal. You could even serve it with a side of crusty bread to scoop up all that cheesy, savory goodness. For a lighter option, a side of steamed green beans or a cucumber salad would work perfectly to balance out the richness of the casserole.
7. Can I use instant rice instead of long-grain rice?
While instant rice is a convenient option, I would recommend sticking to long-grain white rice for this recipe. Instant rice has a different texture and cooks much faster, which may result in a mushier casserole. Long-grain rice absorbs the flavors better and cooks up just right in the baking process. It’s worth the extra few minutes!
Conclusion:
And there you have it—a delicious, hearty, and comforting French Onion Ground Beef and Rice Casserole that’s sure to become a family favorite. From the rich flavors of the French onion soup to the creamy texture of the mushroom soup and the cheesy top that finishes it all off, this casserole is truly the perfect meal for any occasion.
Whether you’re cooking for a busy weeknight or preparing a dish that will impress your guests at dinner, this casserole is easy to make, full of flavor, and guaranteed to leave everyone asking for seconds. Plus, with a few simple ingredient swaps, you can easily make it your own.
I hope you enjoy making (and eating!) this casserole as much as I do. Don’t forget to share your experience or any variations you try in the comments below—I’d love to hear how you made this dish your own! Happy cooking!
Description
This French Onion Ground Beef and Rice Casserole is a comforting and filling meal that combines the rich flavors of French onion soup with tender ground beef and rice. The dish is topped with melted cheese for a creamy and indulgent finish, making it the perfect comfort food for any night of the week!
1 lb ground beef
1 small onion, finely chopped
2 cups cooked white or brown rice (or 1 cup uncooked rice, cooked according to package directions)
1 can (10.5 oz) French onion soup (or 2 cups homemade French onion broth)
1/2 cup sour cream
1/2 cup shredded cheddar cheese (optional: can use mozzarella or Swiss cheese for a different flavor)
1 tablespoon soy sauce (for extra depth of flavor)
1 teaspoon garlic powder
1/2 teaspoon dried thyme (optional, for extra flavor)
Salt and freshly ground black pepper to taste
1 tablespoon olive oil (for cooking)
Fresh parsley or green onions for garnish (optional)
1️⃣ Preheat the Oven:
2️⃣ Cook the Ground Beef and Onion:
In a large skillet, heat the olive oil over medium heat. Add the ground beef and cook, breaking it apart with a spoon, until browned and cooked through (about 5-7 minutes). Drain any excess fat if needed.
Add the chopped onion and cook for another 2-3 minutes until the onion is softened and fragrant.
3️⃣ Mix the Casserole Filling:
In a large bowl, combine the cooked ground beef and onions with the cooked rice, French onion soup, sour cream, soy sauce, garlic powder, thyme, salt, and pepper. Stir until everything is well mixed.
4️⃣ Transfer to Baking Dish:
5️⃣ Top with Cheese:
6️⃣ Bake the Casserole:
Place the casserole in the oven and bake for 20-25 minutes, or until the cheese is melted and bubbly, and the casserole is heated through.
7️⃣ Serve:
8️⃣ Enjoy:
Notes
Rice: If you don’t have cooked rice on hand, use 1 cup of uncooked rice and cook it according to the package instructions. You can also use leftover rice for a quicker meal.
Flavor Variations: You can add other vegetables, such as mushrooms, bell peppers, or carrots, for extra flavor and nutrition.
Make It Lighter: Use lean ground turkey or chicken in place of ground beef, and opt for low-fat sour cream for a lighter version.
Freezing Option: This casserole freezes well! To freeze, let it cool completely, then cover tightly with foil or plastic wrap and store in the freezer for up to 2-3 months. Reheat in the oven at 350°F for 30-40 minutes until heated through.
- Prep Time: 10 min
- Cook Time: 35 min