This French Onion Ground Beef Casserole is the perfect comfort food for busy evenings. Tender rice, savory ground beef, rich French onion soup, and buttery goodness bake together into one warm and satisfying meal. Every bite is packed with deep onion flavor and hearty texture, making this casserole a family favorite that is easy to prepare and incredibly filling.

Why You’ll Love This Recipe

This casserole is simple, budget-friendly, and packed with comforting flavors. It uses pantry staples that come together beautifully in one baking dish, making cleanup easy and dinner stress-free. The rich French onion flavor blends perfectly with seasoned ground beef and fluffy rice for a meal that tastes like it simmered all day.

It is also great for meal prep because the leftovers reheat wonderfully. Whether you are cooking for a family dinner or preparing meals ahead of time, this casserole delivers warm, homemade flavor every time.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

• 1 pound lean ground beef
• 1 teaspoon garlic salt
• 2 cans (10.5 ounces each) beef consommé
• 2 cans (10.5 ounces each) French onion soup
• ¾ cup water
• 2 cups uncooked long-grain white rice
• ¾ cup butter, sliced
• Cooking spray for the baking dish

Directions

1. Preheat your oven to 425°F (220°C). Lightly grease a 9×13-inch baking dish with cooking spray.
2. Heat a large skillet over medium heat. Add the ground beef and garlic salt. Cook until the beef is fully browned, breaking it apart as it cooks. Drain any excess grease.
3. Add the uncooked rice to the prepared baking dish. Spread the cooked ground beef evenly over the rice.
4. Pour the beef consommé, French onion soup, and water into the dish. Stir everything gently until well combined.
5. Place the sliced butter evenly across the top of the casserole mixture.
6. Cover the baking dish tightly with aluminum foil and bake for 30 minutes.
7. Remove the foil and continue baking uncovered for another 30 minutes, or until the rice is tender and the top becomes golden brown.
8. Let the casserole rest for about 5 minutes before serving.

Servings and timing

• Servings: 8 servings
• Prep Time: 10 minutes
• Cook Time: 60 minutes
• Total Time: 1 hour 10 minutes

Variations

• Add shredded mozzarella, Swiss, or provolone cheese during the final 10 minutes of baking for a cheesy version.
• Stir in sliced mushrooms for extra savory flavor.
• Replace ground beef with ground turkey or chicken for a lighter option.
• Add crispy fried onions on top before serving for extra crunch.
• Mix in frozen peas or green beans to include vegetables in the casserole.

Storage/Reheating

Store leftovers in an airtight container in the refrigerator for up to 4 days.

To freeze, place cooled portions in freezer-safe containers and freeze for up to 3 months. Thaw overnight in the refrigerator before reheating.

For reheating, microwave individual portions for 2 to 3 minutes or warm the casserole in a 350°F oven until heated through. Add a small splash of broth or water if the rice seems dry.

FAQs

Can I use brown rice instead of white rice?

Yes, but brown rice requires a longer cooking time and extra liquid to become tender.

What is beef consommé?

Beef consommé is a rich, concentrated beef broth that adds deep flavor to casseroles and soups.

Can I make this casserole ahead of time?

Yes, you can assemble the casserole several hours ahead and refrigerate it before baking.

What cheese works best with this recipe?

Swiss, provolone, mozzarella, or Gruyère cheese pair wonderfully with the French onion flavor.

Can I use instant rice?

Instant rice is not recommended because it may become mushy during baking.

How do I know when the casserole is done?

The rice should be tender and most of the liquid should be absorbed.

Can I add vegetables to the casserole?

Yes, peas, mushrooms, carrots, or green beans work very well.

Why is my rice still hard?

The casserole may need additional baking time or more liquid. Make sure the dish is tightly covered during the first bake.

Can I freeze leftovers?

Yes, this casserole freezes very well for future meals.

What can I serve with this casserole?

A simple green salad, roasted vegetables, or garlic bread make excellent side dishes.

Conclusion

French Onion Ground Beef Casserole is a hearty and comforting meal that combines rich onion flavor, savory beef, and tender rice in every bite. It is easy enough for weeknight dinners while still feeling warm and satisfying like classic homemade comfort food. With simple ingredients and minimal preparation, this casserole is sure to become a regular favorite at your dinner table.

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