This French Onion Ground Beef and Rice Casserole is the ultimate comfort food, packed with rich flavors and cheesy goodness. It’s easy to prepare and perfect for a cozy family dinner or a make-ahead dish for busy weeknights. With juicy ground beef, tender rice, and crispy onions, this casserole stands out for its delightful taste and simplicity.

Why You’ll Love This Recipe
- Quick and Easy: This casserole comes together in just a little over an hour, making it perfect for weeknight dinners.
- One-Pan Meal: Minimal cleanup is required since everything cooks in one baking dish, allowing you to spend more time enjoying your meal.
- Rich Flavor: The combination of French onion soup mix and beef broth creates a deliciously savory base that everyone will love.
- Cheesy Goodness: Topped with melted cheese and crispy onions, this dish satisfies all cheese lovers.
- Versatile Dish: You can customize the recipe by adding your favorite vegetables or swapping out the cheese.
Tools and Preparation
Preparing this casserole is straightforward with the right tools. Here’s what you’ll need to get started.
Essential Tools and Equipment
- Large Skillet
- Mixing Bowl
- 9×13-inch Baking Dish
- Aluminum Foil
Importance of Each Tool
- Large Skillet: Essential for browning the ground beef evenly, ensuring optimal flavor.
- Mixing Bowl: A spacious bowl allows you to combine ingredients without spilling, making prep easier.
- 9×13-inch Baking Dish: The ideal size for baking this casserole, providing even cooking throughout.
- Aluminum Foil: Helps retain moisture during baking, ensuring a tender casserole.
Ingredients
Main 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
Toppings
- 1 ½ cups shredded mozzarella or Swiss cheese
- ½ cup French-fried onions
Seasonings
- 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:
1. Cook the ground beef until browned.
2. Drain excess grease.
3. Season with salt, pepper, and garlic powder.
Step 3: Prepare the Rice Mixture
In a large bowl:
1. Mix together the uncooked rice, French onion soup mix, and beef broth until well combined.
Step 4: Combine Ingredients
Stir in the cooked ground beef and sour cream:
– Mix everything together thoroughly.
– 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
This delicious French Onion Ground Beef and Rice Casserole can be served in various delightful ways. Whether you want to keep it simple or add a touch of elegance, these serving suggestions will enhance your dining experience.
Casual Family Dinner
- Serve the casserole straight from the baking dish for a relaxed meal.
- Pair it with a simple green salad for a refreshing contrast.
Make It Gourmet
- Top individual portions with fresh herbs like parsley or chives for an elevated presentation.
- Drizzle a bit of balsamic glaze over the top for added flavor and visual appeal.
Leftover Lunch
- Pack leftovers into lunch containers for an easy meal on the go.
- Reheat in the microwave and serve with a side of steamed vegetables.
Game Day Treat
- Slice the casserole into squares and serve as finger food during game day.
- Offer dipping sauces like ranch or barbecue to complement the flavors.
Family Potluck
- Bring this casserole to potlucks in a disposable foil pan for easy transport.
- Add a label with the dish’s name for guests to see what they’re enjoying.
Freezer Meal Prep
- Portion out servings into freezer-safe containers for quick meals later.
- Simply reheat in the oven or microwave when you need a comforting dish.

How to Perfect French Onion Ground Beef and Rice Casserole
For those looking to elevate their cooking game, here are some tips to ensure your casserole turns out perfectly every time.
- Use Quality Beef: Choose lean ground beef for better flavor and less grease.
- Cook Rice Separately: For extra fluffy rice, consider partially cooking it before mixing it with other ingredients.
- Add Veggies: Incorporate sautéed onions, bell peppers, or mushrooms for added texture and nutrition.
- Mix Cheeses: Combine mozzarella with cheddar for a more complex cheese flavor profile.
- Let It Rest: Allow the casserole to sit for 10 minutes after baking to set before serving.
- Experiment with Spices: Try adding different spices like thyme or paprika for a unique twist on traditional flavors.
Best Side Dishes for French Onion Ground Beef and Rice Casserole
Pairing your French Onion Ground Beef and Rice Casserole with the right sides can enhance your meal significantly. Here are some excellent options:
- Garlic Bread – A classic choice that complements the rich flavors of the casserole perfectly.
- Steamed Broccoli – Offers a healthy crunch that balances out the creamy texture of the casserole.
- Caesar Salad – Adds freshness with crisp romaine and tangy dressing, ideal alongside hearty dishes.
- Roasted Asparagus – A simple yet elegant side that brings vibrant color to your plate.
- Coleslaw – Adds a tangy, crunchy element that contrasts nicely with warm casseroles.
- Mashed Potatoes – For those who enjoy extra comfort food; buttery mashed potatoes are always a hit!
- Corn on the Cob – Sweet corn can add a delightful burst of sweetness next to savory dishes.
- Pickle Chips – For an unexpected twist, serve crispy pickle chips on the side; they provide great acidity!
Common Mistakes to Avoid
When preparing your French Onion Ground Beef and Rice Casserole, avoiding common mistakes can ensure a delicious outcome.
- Using stale ingredients – Fresh ingredients significantly enhance flavor. Always check the expiration dates on your broth and soup mix.
- Not browning the beef properly – Browning adds depth to the dish. Ensure your ground beef is fully browned before mixing with other ingredients.
- Skipping the seasoning – Proper seasoning enhances flavors. Don’t forget to season every layer, including the rice mixture.
- Overcrowding the baking dish – This can lead to uneven cooking. Use a spacious dish to allow even heat distribution.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- Consume within 3-4 days for best quality.
Freezing French Onion Ground Beef and Rice Casserole
- Portion into freezer-safe containers or bags.
- Freeze for up to 3 months.
Reheating French Onion Ground Beef and Rice Casserole
- Oven – Preheat to 350°F (175°C) and cover with foil. Bake until heated through, about 20-25 minutes.
- Microwave – Place in a microwave-safe dish, cover, and heat in 1-minute intervals until hot.
- Stovetop – Reheat over medium-low heat, stirring occasionally until warmed.
Frequently Asked Questions
How can I customize my French Onion Ground Beef and Rice Casserole?
You can add vegetables like bell peppers or mushrooms for extra nutrition and flavor.
Can I use brown rice instead of white rice?
Yes, but you will need to adjust the cooking time and liquid since brown rice takes longer to cook.
What can I substitute for sour cream?
Greek yogurt or cream cheese can work well as alternatives without compromising texture.
Is this recipe suitable for meal prep?
Absolutely! This casserole is easy to make ahead and reheats well, making it perfect for meal prep.
Final Thoughts
This French Onion Ground Beef and Rice Casserole is an irresistible blend of comfort and convenience. Its rich flavors make it a family favorite that’s perfect for busy weeknights or cozy gatherings. Feel free to customize it with your favorite veggies or cheese varieties!

French Onion Ground Beef and Rice Casserole
- Total Time: 1 hour 10 minutes
- Yield: Serves 8
Description
Indulge in the ultimate comfort food with this French Onion Ground Beef and Rice Casserole. This hearty dish combines juicy ground beef, tender rice, and rich flavors from French onion soup mix, all topped with melted cheese and crispy onions. Ideal for cozy family dinners or busy weeknights, this easy-to-make casserole is a crowd-pleaser that can be customized to suit your taste. With just one baking dish needed, cleanup is a breeze, letting you spend more time enjoying your meal. Prepare to savor every bite of this deliciously satisfying dish!
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 the cooked ground beef and sour cream; transfer to the prepared baking dish.
- Top with shredded cheese and cover with aluminum foil.
- Bake for 40 minutes; remove foil and bake an additional 10-15 minutes until cheese is bubbly.
- Add French-fried onions on top and bake for another 5 minutes until golden brown.
- Prep Time: 15 minutes
- Cook Time: 55 minutes
- Category: Main
- Method: Baking
- Cuisine: French
Nutrition
- Serving Size: 1 serving
- Calories: 410
- Sugar: 2g
- Sodium: 860mg
- Fat: 22g
- Saturated Fat: 10g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 32g
- Fiber: 1g
- Protein: 22g
- Cholesterol: 80mg
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