French Onion Chicken Casserole

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If you’re searching for a comforting casserole that combines the rich flavors of French onion soup with tender chicken and hearty noodles, look no further! This French Onion Chicken Casserole is a warm hug in a dish, perfect for chilly evenings or family gatherings. Every bite is filled with creamy goodness, the delicious crunch of crispy toppings, and a depth of flavor that will leave everyone asking for seconds.

Why This Recipe Is a Must-Try

This French Onion Chicken Casserole is not only easy to prepare, but it also brings together familiar flavors in a unique and satisfying way. The combination of tender chicken, chewy egg noodles, caramelized onions, and cheesy goodness creates a one-dish meal that is both filling and flavorful. Plus, with simple ingredients and an easy cooking method, it’s the perfect recipe for weeknight dinners or meal prep for the week ahead. You’ll love how the crispy topping adds an extra texture that elevates this casserole to something special.

Ingredients

• 12 ounces egg noodles
• 1 tablespoon olive oil
• 2 boneless skinless chicken breasts, cut into bite-sized pieces
• 3 tablespoons butter
• 2 large yellow onions or white onions, thinly sliced
• ¼ cup all-purpose flour
• 3 cloves garlic, minced
• 2 ½ cups milk
• ½ cup heavy cream
• 1 teaspoon fresh thyme, minced
• 1 cup Swiss cheese, shredded
• 1 cup Panko bread crumbs
• 2 tablespoons butter, melted
• 1 cup French’s fried onions
• Fresh parsley, chopped, for garnish

How To Make French Onion Chicken Casserole

Step 1: Cook the Egg Noodles

Start by preheating your oven to 350°F (175°C). Bring a large pot of salted water to a boil and cook the egg noodles according to package instructions until al dente. Drain and set aside.

Step 2: Sauté the Chicken

In a large skillet, heat the olive oil over medium heat. Add the bite-sized pieces of chicken and cook until golden brown and cooked through, about 5-7 minutes. Remove the chicken from the skillet and set aside.

Step 3: Caramelize the Onions

In the same skillet, melt the butter over medium heat. Add the sliced onions and sauté them, stirring frequently, until they become caramelized and golden brown, about 15-20 minutes. This step is crucial as it develops a deep, sweet flavor that will enhance your casserole.

Step 4: Create the Onion Sauce

Once the onions are beautifully caramelized, sprinkle the flour over them and stir to coat. Cook for an additional 2 minutes to remove the raw flour taste. Then, add the minced garlic and stir for another minute until fragrant. Gradually pour in the milk and heavy cream, stirring constantly until the mixture is smooth and begins to thicken.

Step 5: Combine Ingredients

Add the cooked chicken, fresh thyme, and cooked egg noodles to the onion mixture. Stir well to combine everything evenly. The sauce should be thick and creamy, enveloping the chicken and noodles.

Step 6: Assemble the Casserole

Transfer the mixture to a greased 9×13-inch baking dish. Sprinkle the shredded Swiss cheese evenly over the top.

Step 7: Prepare the Topping

In a small bowl, combine the Panko bread crumbs and melted butter. Mix well until the crumbs are evenly coated. Sprinkle this crumb mixture over the cheese layer, then top with the French’s fried onions for an extra crunch.

Step 8: Bake

Bake in the preheated oven for 25-30 minutes, or until the casserole is bubbly and the topping is golden brown.

Step 9: Serve and Enjoy

Remove from the oven and let it cool slightly. Garnish with fresh parsley before serving. Enjoy your warm, comforting French Onion Chicken Casserole with a side salad or your favorite veggies!

Expert Tips

• Be patient while caramelizing the onions; this step is what makes the dish stand out with its deep flavor.
• Feel free to use other types of cheese if Swiss isn’t your favorite; Gruyère would be a fantastic option!
• If you want a bit of a kick, add a pinch of cayenne pepper or some red pepper flakes to the onion mixture.
• For a more substantial meal, consider adding veggies like mushrooms or spinach in step 5.

Variations and Customizations

• Swap the chicken for rotisserie chicken to save time and add extra flavor.
• Use whole wheat noodles for a healthier option.
• Add some cooked bacon pieces for a smoky flavor twist.
• Incorporate different herbs like rosemary or oregano for a unique flavor profile.

How to Store Leftovers

Allow any leftover casserole to cool completely before transferring it to an airtight container. Store it in the refrigerator for up to 3-4 days. You can reheat it in the oven at 350°F (175°C) until warmed through or in the microwave for quick meals.

FAQ

Can I make this casserole ahead of time?

Absolutely! You can prepare the casserole up until the baking step, then cover it with foil and refrigerate it for up to 24 hours before baking. Just add a few extra minutes to the baking time if it’s coming straight from the fridge.

Is it possible to freeze this casserole?

Yes, this casserole freezes well! Just assemble it as directed, cover tightly, and freeze for up to 3 months. Thaw it overnight in the fridge before baking.

Can I use different types of onions?

Yes! While yellow and white onions are traditional, you can also experiment with sweet onions, red onions, or even shallots for different flavor profiles.

What can I serve with French Onion Chicken Casserole?

This dish is hearty enough to be a meal on its own, but pairing it with a simple green salad or steamed vegetables can provide a nice contrast and complete the meal.

Conclusion

This French Onion Chicken Casserole is sure to become a family favorite, packed with flavor, creaminess, and a delightful crunch. It’s perfect for busy weeknights or gatherings when you want to impress your guests without spending hours in the kitchen. With its simple ingredients and rich flavors, you’ll find yourself making this comforting dish over and over again. Happy cooking!

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