French Onion Ground Beef and Rice Casserole
Bring the comfort of a cozy diner meal right to your kitchen with this French Onion Ground Beef and Rice Casserole. It’s a one-dish wonder featuring seasoned ground beef, fluffy white rice, creamy French onion sauce, and bubbling cheese. Whether you’re looking for an easy dinner idea, a crowd-pleasing potluck favorite, or just a simple yet hearty food idea, this dish checks all the boxes. Perfect for a busy night, yet rich and indulgent enough for special occasions—your new go-to in the world of easy recipes.
Why You’ll Love This Recipe
- Quick Preparation: This casserole is perfect for busy nights, taking only 40 minutes from start to finish.
- Hearty Flavor: The combination of beef and creamy French onion soup creates a rich taste that everyone will love.
- Versatile Dish: Serve it as a main course or as a side dish at gatherings; it fits any occasion!
- One-Dish Wonder: Minimal cleanup is required since everything is cooked in one baking dish.
- Kid-Friendly: The cheesy goodness appeals to all ages, making it a family favorite.
Tools and Preparation
Before you start making the French Onion Ground Beef and Rice Casserole, gather your tools. Having everything ready will make the cooking process smooth and enjoyable.
Essential Tools and Equipment
- Large skillet
- Mixing bowl
- 9×13-inch baking dish
- Measuring cups and spoons
- Spatula
Importance of Each Tool
- Large skillet: Essential for browning the ground beef evenly.
- Mixing bowl: Helps combine ingredients without making a mess.
- Baking dish: Perfect size for this casserole ensures even cooking.

Ingredients
For the Casserole
- 1 lb ground beef
- 3 cups cooked white rice
- 1 can (10.5 oz) condensed French onion soup
- 1 cup sour cream
- 2 cups shredded mozzarella cheese
- 2 tbsp butter
For Seasoning
- 1 tsp onion powder
- 1 tsp garlic powder
- Salt and pepper to taste
For Garnish (Optional)
- 1 tbsp chopped parsley
How to Make French Onion Ground Beef and Rice Casserole
Step 1: Brown the Ground Beef
In a large skillet, melt butter over medium heat. Add ground beef and cook until browned, about 5-7 minutes. Drain excess fat.
Step 2: Season the Meat
Stir in onion powder, garlic powder, salt, and pepper. Mix well to evenly distribute spices throughout the meat.
Step 3: Combine Ingredients
In a mixing bowl, mix the cooked beef with cooked rice, condensed French onion soup, and sour cream until well combined.
Step 4: Prepare Baking Dish
Preheat oven to 350°F (175°C). Grease your 9×13-inch baking dish with non-stick spray or butter.
Step 5: Assemble the Casserole
Spread the mixture evenly in the prepared baking dish. Top with shredded mozzarella cheese.
Step 6: Bake
Bake uncovered for 25–30 minutes or until cheese is melted and bubbly.
Step 7: Serve
Garnish with chopped parsley before serving. Enjoy your delicious French Onion Ground Beef and Rice Casserole!
How to Serve French Onion Ground Beef and Rice Casserole
Serving this French Onion Ground Beef and Rice Casserole is a delightful experience that brings comfort and satisfaction to any meal. It’s versatile enough to be paired with various sides or garnishes, enhancing its rich flavors.
Family Style
- Serve directly from the baking dish for a casual and inviting dining experience.
Individual Portions
- Spoon into individual bowls with a side of crusty bread for a cozy, diner-like feel.
Topped with Fresh Herbs
- Garnish each serving with chopped parsley or chives for a pop of color and freshness.
Accompanied by Salad
- Pair with a light green salad dressed in vinaigrette to balance the richness of the casserole.
With Pickled Vegetables
- Offer tangy pickled vegetables on the side to add a zesty contrast to the creamy dish.
Next to Roasted Vegetables
- Serve alongside roasted seasonal veggies for added texture and nutrition.
How to Perfect French Onion Ground Beef and Rice Casserole
To ensure your French Onion Ground Beef and Rice Casserole turns out perfectly every time, consider these helpful tips.
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Use Quality Ingredients: Fresh ground beef and high-quality cheese enhance the flavor significantly.
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Cook Rice Properly: Make sure your rice is fluffy and fully cooked before mixing it with other ingredients.
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Adjust Seasonings: Taste the mixture before baking; feel free to add more spices if desired.
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Cover While Baking: If you prefer a softer top layer, cover the dish with aluminum foil during the first 15 minutes of baking.
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Let It Rest: Allow the casserole to sit for about 5 minutes after baking before serving. This helps everything set nicely.
Best Side Dishes for French Onion Ground Beef and Rice Casserole
Complementing your French Onion Ground Beef and Rice Casserole with the right side dishes can elevate your meal. Here are some great options:
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Garlic Bread: A classic side that’s perfect for soaking up any leftover sauce from the casserole.
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Steamed Broccoli: This vibrant veggie adds color and nutrients while balancing out the richness of the dish.
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Caesar Salad: Crisp romaine lettuce topped with crunchy croutons provides a refreshing contrast.
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Roasted Asparagus: Lightly seasoned asparagus spears bring an earthy flavor that pairs well with beef.
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Coleslaw: A crunchy cabbage slaw offers a nice textural difference while adding tanginess.
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Corn on the Cob: Sweet corn is a delightful addition that complements the savory flavors of your casserole.
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Baked Sweet Potatoes: Their natural sweetness balances out the savory notes of the casserole beautifully.
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Fruit Salad: A light fruit salad can provide a refreshing finish to your meal, cleansing your palate perfectly.
Common Mistakes to Avoid
Avoiding mistakes can help you create the perfect French Onion Ground Beef and Rice Casserole. Here are some common pitfalls to watch out for:
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Skipping the Browning Step: Not browning the ground beef properly can lead to a bland flavor. Make sure to cook it until it’s well-browned for a richer taste.
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Using Uncooked Rice: If you use uncooked rice, it won’t absorb the flavors from the sauce and will remain hard. Always start with cooked rice for the best texture.
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Overbaking: Leaving the casserole in the oven too long can dry it out. Keep an eye on it and remove it once the cheese is bubbly and golden.
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Ignoring Seasoning: Forgetting to season your mixture can result in a dull dish. Don’t skip adding salt, pepper, or other spices to enhance flavor.
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Not Greasing the Dish: A greased baking dish prevents sticking and makes serving easier. Always grease your dish before adding ingredients.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- The casserole will last for up to 3 days in the refrigerator.
Freezing French Onion Ground Beef and Rice Casserole
- Allow the casserole to cool completely before freezing.
- It can be stored in a freezer-safe container for up to 3 months.
Reheating French Onion Ground Beef and Rice Casserole
- Oven: Preheat your oven to 350°F (175°C) and cover with foil. Bake for about 20 minutes until heated through.
- Microwave: Place portions on a microwave-safe plate, cover, and heat on high for 2-3 minutes or until warm.
- Stovetop: Heat in a skillet over medium-low heat, stirring occasionally until warmed through.
Frequently Asked Questions
Here are some frequently asked questions about making French Onion Ground Beef and Rice Casserole:
Can I substitute ground beef with another meat?
Yes, you can use ground turkey, lamb, or even ground chicken as alternatives while maintaining similar cooking times.
What can I add for extra flavor?
Adding sautéed onions or mushrooms can enhance depth of flavor in your casserole.
How do I make this recipe vegetarian?
To make a vegetarian version, substitute ground beef with cooked lentils or black beans and use vegetable broth instead of soup.
How do I store leftovers of French Onion Ground Beef and Rice Casserole?
Leftovers should be stored in an airtight container in the refrigerator for up to 3 days or frozen for up to 3 months.
Final Thoughts
This French Onion Ground Beef and Rice Casserole is a delightful blend of flavors that brings comfort food right to your table. Its versatility allows you to customize ingredients based on your preferences or what you have at home. Try it today for an easy weeknight meal that everyone will love!
French Onion Ground Beef and Rice Casserole
Indulge in the comforting flavors of French Onion Ground Beef and Rice Casserole, a dish that brings the essence of cozy diners straight to your dining table. This one-pan wonder features seasoned ground beef, tender rice, and a creamy French onion sauce topped with melted cheese. Perfect for busy weeknights or special family gatherings, this casserole is quick to prepare and requires minimal cleanup. With its rich taste and kid-friendly appeal, it’s sure to become a favorite in your household.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: Serves approximately 6 people 1x
- Category: Main
- Method: Baking
- Cuisine: American
Ingredients
- 1 lb ground beef
- 3 cups cooked white rice
- 1 can (10.5 oz) condensed French onion soup
- 1 cup sour cream
- 2 cups shredded mozzarella cheese
- 2 tbsp butter
- 1 tsp onion powder
- 1 tsp garlic powder
- Salt and pepper to taste
- 1 tbsp chopped parsley (optional)
Instructions
- Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish.
- In a large skillet, melt butter over medium heat. Add ground beef and cook until browned, about 5-7 minutes. Drain excess fat.
- Stir in onion powder, garlic powder, salt, and pepper to season the meat.
- In a mixing bowl, combine the cooked beef with rice, condensed soup, and sour cream until well mixed.
- Spread the mixture evenly in the prepared baking dish and top with mozzarella cheese.
- Bake uncovered for 25–30 minutes until cheese is melted and bubbly.
- Garnish with chopped parsley before serving.
Nutrition
- Serving Size: 1 serving
- Calories: 520
- Sugar: 4g
- Sodium: 720mg
- Fat: 28g
- Saturated Fat: 15g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 41g
- Fiber: 2g
- Protein: 29g
- Cholesterol: 85mg
