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
- Easy to Prepare: With straightforward steps, this casserole comes together quickly, making it perfect for busy weeknights.
- Flavorful Combination: The blend of ground beef and French onion soup creates a savory richness that everyone will love.
- One-Dish Wonder: Enjoy minimal cleanup with everything baked in one casserole dish.
- Versatile Meal: Adapt it by adding your favorite vegetables or herbs to suit your taste preferences.
- Family-Friendly: This dish appeals to both kids and adults, ensuring everyone leaves the table satisfied.
Tools and Preparation
To make this French Onion Ground Beef and Rice Casserole efficiently, gather the essential tools listed below. Having the right equipment will streamline your cooking process.
Essential Tools and Equipment
- Skillet
- Mixing bowl
- Baking dish (9×13-inch)
- Measuring cups and spoons
- Spatula
Importance of Each Tool
- Skillet: Ideal for browning meat evenly while allowing flavors to develop beautifully.
- Mixing bowl: Provides ample space to combine ingredients thoroughly without spills.
- Baking dish: Ensures the casserole cooks evenly and holds all ingredients securely.

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
- 1 tsp onion powder
- 1 tsp garlic powder
- 1 tbsp chopped parsley (optional)
How to Make French Onion Ground Beef and Rice Casserole
Step 1: Cook the Ground Beef
In a large skillet, melt butter over medium heat. Add ground beef and cook until browned. Drain excess fat.
Step 2: Season the Meat
Stir in onion powder, garlic powder, salt, and pepper. Mix well to ensure even seasoning throughout the meat.
Step 3: Combine Ingredients
In a mixing bowl, mix together cooked beef, cooked rice, condensed soup, and sour cream until well combined.
Step 4: Prepare Baking Dish
Preheat oven to 350°F (175°C) and grease a 9×13-inch baking dish with cooking spray or butter.
Step 5: Assemble the Casserole
Spread the mixture evenly in the prepared baking dish. Top with shredded mozzarella cheese for that delicious cheesy layer.
Step 6: Bake It Up
Bake uncovered for 25–30 minutes or until cheese is melted and bubbly. Keep an eye on it to avoid over-browning.
Step 7: Serve and Garnish
Garnish with chopped parsley before serving for a fresh touch. Enjoy your hearty meal!
How to Serve French Onion Ground Beef and Rice Casserole
Serving French Onion Ground Beef and Rice Casserole is easy and versatile. This dish can be enjoyed on its own or paired with a variety of sides to enhance your meal. Here are some delicious serving suggestions.
Casual Family Dinner
- Serve hot directly from the oven for a cozy family meal.
- Pair with a simple green salad for a refreshing contrast.
Potluck Gatherings
- Transfer to a large serving dish for easy sharing at potlucks.
- Consider adding extra cheese on top before baking to impress guests.
Weeknight Meal
- Prepare in advance and reheat for an effortless weeknight dinner.
- Top with fresh herbs like parsley or chives just before serving for added freshness.
Special Occasions
- Garnish with caramelized onions or crispy fried onions for an elegant touch.
- Offer various condiments, such as hot sauce or a tangy relish, to customize each serving.
How to Perfect French Onion Ground Beef and Rice Casserole
Perfecting your French Onion Ground Beef and Rice Casserole involves a few essential tips that elevate the flavor and texture. Follow these guidelines for optimal results.
- Use Quality Ingredients: Fresh, high-quality ground beef and flavorful soup make all the difference in taste.
- Adjust Seasoning: Taste the mixture before baking and adjust salt and pepper as needed for personal preference.
- Don’t Overcook Rice: Use slightly undercooked rice, as it will absorb flavors during baking without becoming mushy.
- Layer Cheese Generously: Add an extra layer of cheese on top before baking for a deliciously gooey finish.
- Let it Rest: Allow the casserole to sit for 5-10 minutes after baking; this helps it set and makes serving easier.
Best Side Dishes for French Onion Ground Beef and Rice Casserole
Pairing side dishes with your French Onion Ground Beef and Rice Casserole can enhance your meal experience. Here are some excellent options to consider.
- Garlic Bread: A classic choice, perfect for soaking up any extra sauce from the casserole.
- Steamed Broccoli: Bright green broccoli adds nutrition and color while providing a lovely crunch.
- Caesar Salad: This crisp salad complements the richness of the casserole with its tangy dressing.
- Roasted Asparagus: Simply drizzle asparagus with olive oil, season, and roast until tender for a tasty side.
- Coleslaw: A light coleslaw can add a refreshing crunch that balances the creamy casserole.
- Corn on the Cob: Grilled or boiled corn on the cob adds sweetness that pairs wonderfully with savory dishes.
Common Mistakes to Avoid
When preparing your French Onion Ground Beef and Rice Casserole, avoiding common pitfalls can make all the difference in flavor and texture.
- Ignoring the rice: Using uncooked rice instead of pre-cooked can lead to a dish that is unevenly cooked. Always ensure your rice is fully cooked before adding it to the casserole.
- Overcooking the beef: Cooking the ground beef too long can dry it out. Brown it just until it’s no longer pink for optimal moisture.
- Skipping seasoning: Failing to season your mixture adequately can result in a bland casserole. Use onion powder, garlic powder, and salt generously to enhance the flavors.
- Not greasing the pan: Neglecting to grease your baking dish may cause your casserole to stick. Always use butter or cooking spray to ensure easy serving.
- Baking without covering: Baking uncovered can lead to excessive browning on top. Consider loosely covering with foil for part of the baking time if you prefer a softer cheese topping.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container for up to 3–4 days.
- Allow the casserole to cool completely before refrigerating.
Freezing French Onion Ground Beef and Rice Casserole
- Freeze in a freezer-safe container for up to 3 months.
- If possible, portion out servings before freezing for easy thawing.
Reheating French Onion Ground Beef and Rice Casserole
- Oven: Preheat to 350°F (175°C). Cover with foil and bake for about 20 minutes or until heated through.
- Microwave: Place a single serving in a microwave-safe dish. Heat on high for 2-3 minutes, stirring halfway through.
- Stovetop: Add a splash of broth or water in a skillet over medium heat, cover, and warm for about 5-7 minutes.
Frequently Asked Questions
Here are some common questions about making French Onion Ground Beef and Rice Casserole.
Can I use different types of meat?
You can substitute ground beef with turkey or chicken if desired. Just be sure to adjust cooking times as necessary.
How do I customize my French Onion Ground Beef and Rice Casserole?
Feel free to add vegetables like bell peppers or mushrooms for added flavor and nutrition.
What can I serve with this casserole?
It pairs well with a fresh salad or steamed vegetables for a complete meal.
How long does it take to prepare?
The total time from prep to table is about 40 minutes, making it perfect for busy weeknights.
Final Thoughts
This French Onion Ground Beef and Rice Casserole brings comfort food right into your home. Its versatility allows for various customization options, so feel free to experiment with ingredients you love. Give it a try—your family will surely enjoy this hearty, satisfying meal!
French Onion Ground Beef and Rice Casserole
Bring the warmth of a diner favorite into your home with our French Onion Ground Beef and Rice Casserole. This comforting dish is a delightful blend of seasoned ground beef, fluffy rice, and rich French onion sauce, all topped with gooey mozzarella cheese. It’s the perfect solution for busy weeknights or casual family gatherings, offering both simplicity and deliciousness in every bite. With its one-dish convenience, minimal cleanup, and family-friendly flavors, this casserole is sure to become a staple in your kitchen. Customize it with your favorite vegetables or herbs to suit your tastes and enjoy a hearty meal that everyone will love.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: Serves 8
- 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
Instructions
- In a skillet, melt butter over medium heat. Add ground beef and cook until browned; drain excess fat.
- Stir in onion powder, garlic powder, salt, and pepper to season the beef evenly.
- In a mixing bowl, combine cooked beef, cooked rice, condensed soup, and sour cream until well mixed.
- Preheat oven to 350°F (175°C) and grease a 9×13-inch baking dish.
- Spread the mixture evenly in the prepared baking dish and top with shredded 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: 380
- Sugar: 2g
- Sodium: 680mg
- Fat: 22g
- Saturated Fat: 10g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 1g
- Protein: 18g
- Cholesterol: 75mg
