This French Onion Ground Beef and Rice Casserole is a delightful dish that brings together the savory flavors of seasoned ground beef, creamy rice, and melted cheese, all topped with crispy French-fried onions. It’s perfect for family dinners, potlucks, or meal prep on busy weeknights. With its comforting taste and easy preparation, this casserole stands out as a go-to recipe that everyone will love.

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- For the Casserole Base
- For the Creamy Layer
- For Topping
- How to Make French Onion Ground Beef and Rice Casserole
- Step 1: Preheat the Oven
- Step 2: Cook the Ground Beef
- Step 3: Mix Ingredients
- Step 4: Combine with Ground Beef
- Step 5: Add Cheese
- Step 6: Bake Covered
- Step 7: Bake Uncovered
- Step 8: Add French-Fried Onions
- Step 9: Serve
- How to Serve French Onion Ground Beef and Rice Casserole
- Pair with a Fresh Salad
- Add a Side of Vegetables
- Include Some Bread
- Top with Fresh Herbs
- How to Perfect French Onion Ground Beef and Rice Casserole
- Best Side Dishes for French Onion Ground Beef and Rice Casserole
- Common Mistakes to Avoid
- Storage & Reheating Instructions
- Refrigerator Storage
- Freezing French Onion Ground Beef and Rice Casserole
- Reheating French Onion Ground Beef and Rice Casserole
- Frequently Asked Questions
- Can I use brown rice instead of white rice?
- What can I substitute for sour cream?
- How do I make this dish vegetarian?
- Can I add vegetables to this casserole?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Easy to Prepare: This casserole requires minimal prep and cooking time, making it great for busy evenings.
- Rich in Flavor: The French onion soup mix infuses the dish with a deliciously savory taste that elevates simple ingredients.
- One-Pan Meal: Save on cleanup with this all-in-one dish that combines protein, grains, and veggies in one baking dish.
- Versatile Ingredients: Customize with your favorite cheeses or add vegetables to suit your family’s preferences.
- Comfort Food Classic: Enjoy a warm and hearty meal that feels like a hug on a plate.
Tools and Preparation
Having the right tools will make preparing your French Onion Ground Beef and Rice Casserole easier. Here’s what you’ll need:
Essential Tools and Equipment
Importance of Each Tool
- Large skillet: Essential for browning the ground beef evenly, which enhances flavor.
- Mixing bowl: Helps combine ingredients thoroughly for uniform flavor throughout the casserole.
- 9×13-inch baking dish: Perfect size for creating a hearty casserole that serves multiple people.
Ingredients
For the Casserole Base
- 1 lb ground beef
- 1 cup long-grain white rice (uncooked)
- 1 packet French onion soup mix
- 2 cups beef broth
For the Creamy Layer
- ½ cup sour cream
- 1 ½ cups shredded mozzarella or Swiss cheese
For Topping
- ½ cup French-fried onions
- 1 tbsp butter
- ½ tsp garlic powder
- Salt and black pepper to taste
How to Make French Onion Ground Beef and Rice Casserole
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish.
Step 2: Cook the Ground Beef
In a skillet over medium heat:
Cook the ground beef until browned.
Drain excess grease.
Season with salt, pepper, and garlic powder.
Step 3: Mix Ingredients
In a large bowl:
Combine uncooked rice, French onion soup mix, and beef broth until well mixed.
Step 4: Combine with Ground Beef
Stir in:
The cooked ground beef.
Sour cream.
Mix everything together thoroughly then transfer to the prepared baking dish.
Step 5: Add Cheese
Spread the mixture evenly in the dish:
Top with shredded cheese.
Step 6: Bake Covered
Cover the casserole with foil:
Bake for 40 minutes.
Step 7: Bake Uncovered
Remove the foil:
Bake for another 10-15 minutes until the cheese is melted and bubbly.
Step 8: Add French-Fried Onions
Sprinkle French-fried onions on top:
Bake for an additional 5 minutes until golden brown.
Step 9: Serve
Let cool slightly before serving. Garnish with fresh parsley if desired. Enjoy your delicious French Onion Ground Beef and Rice Casserole!
How to Serve French Onion Ground Beef and Rice Casserole
Serving French Onion Ground Beef and Rice Casserole is simple and delightful. This dish is not only comforting but also versatile. Here are some suggestions to elevate your meal experience.
Pair with a Fresh Salad
- Garden Salad: A mix of greens, tomatoes, cucumbers, and a light vinaigrette adds freshness.
- Caesar Salad: Crisp romaine, creamy dressing, and croutons complement the rich casserole.
Add a Side of Vegetables
- Steamed Broccoli: Lightly steamed for a healthy crunch that balances the casserole’s richness.
- Roasted Carrots: Sweet roasted carrots bring additional flavor and color to your plate.
Include Some Bread
- Garlic Bread: Perfect for scooping up the cheesy goodness of the casserole.
- Dinner Rolls: Soft rolls provide a nice contrast to the hearty dish.
Top with Fresh Herbs
- Parsley or Chives: Sprinkle fresh herbs on top just before serving for added flavor and color.

How to Perfect French Onion Ground Beef and Rice Casserole
To make your French Onion Ground Beef and Rice Casserole truly exceptional, consider these helpful tips.
- seasoning: Ensure you season your ground beef well with salt, pepper, and garlic powder for maximum flavor.
- Use quality cheese: Opt for fresh mozzarella or Swiss cheese for a melty texture that enhances the dish.
- Let it rest: Allow the casserole to cool for a few minutes after baking; this helps it set up nicely for serving.
- Customize your rice: Try using flavored rice (like chicken or herb) to add extra depth to your casserole.
- Experiment with toppings: Consider adding crispy bacon bits or sautéed mushrooms on top for added texture and taste.
- Make ahead: Prepare this casserole in advance. Just cover it tightly and refrigerate, then bake when ready.
Best Side Dishes for French Onion Ground Beef and Rice Casserole
Complementing your French Onion Ground Beef and Rice Casserole with the right sides can enhance the overall dining experience. Here are some excellent options.
- Coleslaw: A crunchy side that adds a refreshing contrast to the rich casserole flavors.
- Baked Beans: Sweet baked beans provide a hearty addition that pairs well with beef dishes.
- Corn on the Cob: Grilled or boiled corn adds sweetness and is easy to prepare alongside the main dish.
- Mashed Potatoes: Creamy mashed potatoes bring comfort; consider adding garlic for extra flavor.
- Roasted Brussels Sprouts: Seasoned sprouts add an earthy note that complements the beef perfectly.
- Quinoa Salad: A light quinoa salad with cherry tomatoes and cucumber offers a nutritious option without overpowering the meal.
Common Mistakes to Avoid
To make your French Onion Ground Beef and Rice Casserole perfect, avoid these common pitfalls.
- Skipping the browning step: Not browning the ground beef can lead to a bland flavor. Always cook it until browned for the best taste.
- Neglecting to drain excess grease: Leaving grease in the skillet can make your casserole greasy. Drain it well after cooking the beef.
- Using uncooked rice incorrectly: Ensure you mix the uncooked rice properly with the other ingredients. This helps achieve even cooking and texture.
- Overcooking the cheese topping: Baking too long after adding cheese can cause it to become hard. Remove it once bubbly and golden for ideal texture.
- Not allowing it to cool: Cutting into the casserole too soon can result in a messy serving. Let it rest for a few minutes before serving for better slices.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- They will last for up to 3-4 days in the fridge.
Freezing French Onion Ground Beef and Rice Casserole
- Freeze in a freezer-safe container or wrap tightly with plastic wrap.
- It can be stored for up to 2-3 months.
Reheating French Onion Ground Beef and Rice Casserole
- Oven: Preheat to 350°F (175°C) and cover with foil; heat for about 20-25 minutes.
- Microwave: Heat portions on high for 2-3 minutes, stirring halfway through until warm.
- Stovetop: Use a skillet over medium heat; add a splash of broth if needed, stirring occasionally until heated through.
Frequently Asked Questions
Here are some common questions about making French Onion Ground Beef and Rice Casserole that you might find helpful.
Can I use brown rice instead of white rice?
Yes, but remember that brown rice requires more liquid and a longer cooking time. Adjust accordingly for best results.
What can I substitute for sour cream?
You can use Greek yogurt or cream cheese as alternatives. They will provide similar creaminess and flavor.
How do I make this dish vegetarian?
For a vegetarian version of French Onion Ground Beef and Rice Casserole, replace ground beef with lentils or a plant-based meat substitute.
Can I add vegetables to this casserole?
Absolutely! You can mix in vegetables like bell peppers or peas for added nutrition and flavor.
Final Thoughts
This French Onion Ground Beef and Rice Casserole is not just easy to prepare; it’s also incredibly versatile! Whether you’re looking for a cozy family dinner or meal prep options, this dish fits perfectly. Feel free to customize it by adding your favorite vegetables or spices to make it uniquely yours!
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📖 Recipe Card
PrintFrench Onion Ground Beef and Rice Casserole
French Onion Ground Beef and Rice Casserole is a comforting one-pan dish that combines the rich flavors of seasoned ground beef, creamy rice, and melted cheese, all crowned with crispy French-fried onions. This easy-to-make casserole is perfect for busy weeknights or family gatherings. Enjoy the savory taste and delightful aroma as it bakes in your oven, making it a go-to recipe for anyone seeking a hearty meal that pleases both adults and kids alike.
- Prep Time: 15 minutes
- Cook Time: 55 minutes
- Total Time: 1 hour 10 minutes
- Yield: Serves approximately 6 people 1x
- Category: Main
- Method: Baking
- Cuisine: French
Ingredients
- 1 lb ground beef
- 1 cup long-grain white rice (uncooked)
- 1 packet French onion soup mix
- 2 cups beef broth
- ½ cup sour cream
- 1 ½ cups shredded mozzarella or Swiss cheese
- ½ cup French-fried onions
Instructions
- Preheat the oven to 350°F (175°C) and grease a 9×13-inch baking dish.
- In a large skillet over medium heat, brown the ground beef, drain excess grease, and season with salt, pepper, and garlic powder.
- In a mixing bowl, combine uncooked rice, French onion soup mix, and beef broth until well mixed. Stir in cooked ground beef and sour cream until fully combined.
- Transfer the mixture into the prepared baking dish and top with shredded cheese.
- Cover with foil and bake for 40 minutes. Then remove the foil and bake for an additional 10-15 minutes until cheese is melted.
- Sprinkle French-fried onions on top and bake for an extra 5 minutes until golden brown.
- Let cool slightly before serving.
Nutrition
- Serving Size: 1 cup (250g)
- Calories: 450
- Sugar: 2g
- Sodium: 680mg
- Fat: 20g
- Saturated Fat: 10g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 45g
- Fiber: 2g
- Protein: 25g
- Cholesterol: 70mg





