Homemade French Onion Beef Casserole

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If you love a warm, comforting dish that combines savory ground beef, rich creaminess, and the irresistible crunch of crispy fried onions, this Homemade French Onion Beef Casserole is your new go-to. It wraps everything we crave in a hearty family dinner into one bubbling, golden-baked pan.

Imagine creamy egg noodles nestled in a flavorful beef and French onion soup mixture, then topped with melty cheese and crispy fried onions. It’s one of those recipes that tastes like home, perfect for chilly nights or when you’re craving something filling yet simple to prepare.

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Preparation Phase & Tools to Use

To make this French Onion Beef Casserole a smooth experience, you’ll want to gather a few reliable kitchen tools:

• Large Skillet: This is where you’ll brown your beef and simmer the base flavors. A wide, deep skillet helps prevent spills and evenly cooks the meat.
• Mixing Bowl: For combining the cooked noodles with the creamy beef mixture.
• Large Pot: Used for boiling the egg noodles. A nonstick pot can make cleanup easier.
• 9×13-inch Baking Dish: Crucial for layering and baking your casserole evenly.
• Spatula or Wooden Spoon: Helps stir without scratching your cookware.

Each tool contributes to a seamless process—from prep to serving—and ensures your casserole comes together without frustration.

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Ingredients for the Homemade French Onion Beef Casserole

• Ground Beef: Adds a rich, meaty base to the casserole.
• Egg Noodles: These create a soft, buttery texture that balances the richness of the dish.
• French Onion Soup (canned): Brings a sweet-savory onion depth that mimics the flavor of homemade soup without the hassle.
• Cream of Mushroom Soup: Adds a creamy body to the mixture and binds all the ingredients together.
• Sour Cream: Introduces a tangy richness and smooth texture.
• Shredded Mozzarella Cheese: Melts beautifully and gives that gooey, cheesy factor.
• Crispy Fried Onions: The crunchy, golden topping that adds both texture and classic flavor.
• Salt & Pepper: Enhances and balances the overall flavor.

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How To Make the Homemade French Onion Beef Casserole

Step 1: Brown the Beef

Heat a large skillet over medium heat. Add the ground beef, season with salt and pepper, and cook until browned. Drain any excess fat.

Step 2: Boil the Noodles

While the beef cooks, boil egg noodles according to the package directions. Drain and set aside.

Step 3: Mix the Creamy Base

In a large mixing bowl, combine the browned beef, French onion soup, cream of mushroom soup, sour cream, and half of the shredded mozzarella cheese. Stir until well blended.

Step 4: Combine Everything

Add the cooked noodles to the bowl with the beef mixture. Gently fold everything together until noodles are coated evenly.

Step 5: Assemble in the Baking Dish

Transfer the mixture into a greased 9×13-inch baking dish. Spread it out evenly, then top with the remaining mozzarella cheese.

Step 6: Bake to Perfection

Bake at 350°F (175°C) for 25-30 minutes, or until the casserole is bubbly and the cheese is melted.

Step 7: Add the Crunch

Remove from the oven, sprinkle crispy fried onions evenly over the top, and bake for an additional 5-10 minutes until golden.

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Serving and Storing This Casserole

This casserole is best served hot right out of the oven, garnished with fresh parsley for a pop of color and freshness. Pair it with a crisp green salad or steamed vegetables to balance the richness.

If you have leftovers, store them in an airtight container in the refrigerator for up to 3 days. To reheat, cover with foil and warm in the oven at 325°F or microwave individual portions until heated through. The crispy onions may soften slightly but will still offer great flavor.

For longer storage, freeze the casserole (without the crispy onion topping) for up to 2 months. Add fresh onions after reheating for best texture.

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Frequently Asked Questions

What can I use instead of French onion soup?

You can substitute with beef broth and sautéed onions if you prefer a homemade touch. Add Worcestershire sauce and a bit of garlic for extra flavor.

Can I make this casserole ahead of time?

Yes! Prepare the casserole up to the baking step, cover tightly, and refrigerate overnight. Bake the next day and add the crispy onions just before the final minutes of baking.

Is it possible to use ground turkey or chicken instead of beef?

Absolutely. Ground turkey or chicken are great leaner alternatives. Just be sure to season them well for maximum flavor.

Can I use a different type of noodle?

Yes, rotini, penne, or even elbow macaroni can work. Stick to noodles that hold sauces well.

How do I keep the fried onions crispy?

Only add them during the last few minutes of baking. You can also store leftover fried onions separately and sprinkle fresh before reheating.

Can this be made gluten-free?

Use gluten-free noodles and ensure your canned soups are certified gluten-free. Also, use gluten-free crispy onions or make your own.

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Want More Casserole Ideas?

If you love this Homemade French Onion Beef Casserole, here are more cozy favorites to try:

• Cheesy Spinach Stuffed Shells for a creamy, veggie-packed delight.
• Chicken Cordon Bleu Casserole with layers of ham, chicken, and cheese.
• Million Dollar Ravioli Casserole if you’re in the mood for indulgence.
• Mexican Cornbread Casserole for a Tex-Mex inspired twist.
• Chicken and Stuffing Casserole that tastes like Thanksgiving in a dish.

You can also find more weeknight favorites and comfort food inspiration on my Pinterest: Life With Olivia.

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Save This Recipe for Later

📌 Save this recipe to your Pinterest comfort food board so you can come back to it any time.

And let me know in the comments how yours turned out. Did you swap the meat or add extra cheese? Maybe even made it spicy?

I love hearing how others make these recipes their own. Questions are welcome too—let’s help each other cook better, easier meals.

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