French Onion Chicken Noodle Casserole

This easy French Onion Chicken Noodle Casserole is a budget-friendly, family favorite that’s sure to satisfy. Made with simple, easy-to-find ingredients, it delivers rich, comforting flavor without the fuss, perfect for busy weeknights.

Ingredients to Make French Onion Chicken Noodle Casserole Recipe

This casserole is one of those easy to make recipes that families can’t get enough of and tend to devour. The ingredients aren’t difficult to find and there’s a surprise use for french onion dip to make the sauce! To make it, you can prep all of the ingredients in advance and then have it ready to assemble in minutes. It’s such a delicious casserole that makes a hearty meal after a hectic day.

Key ingredients you’ll need to make simple French Onion Chicken Casserole and Noodles: (Scroll down for full printable recipe card and quantities.)

• Pasta – One 12 ounce package of medium egg noodles cooked to al dente.
• Chicken – Rotisserie chicken cut into bite-sized pieces.
• Onion – Thinly sliced onion.
• Butter – To cook the onion and add richness.
• French Onion Dip – This adds more french onion flavor than using sour cream alone.
• Soup – Cream of chicken soup or cream of celery soup.
• Liquid – Half and half for creaminess.
• Pepper – Black pepper for a hint of spice.
• Herbs – Fresh chives for the casserole and additional for garnishing.
• Cheese – Shredded swiss cheese, gruyere cheese or monterey jack plus grated Parmesan cheese.
• Topping – French fried onions add crunch.

How to Make the BEST French Onion Chicken Noodle Casserole Recipe

• Prepare Dish and Heat Oven -Preheat oven to 350°F. Spray a 13×9-inch casserole dish with nonstick cooking spray. Set aside.
• Pasta – Cook egg noodles in a pot of water per the package directions until al dente. Drain well.
• Onion – Place butter and sliced onion into a skillet. Cook over medium heat until golden in color, stirring occasionally.
• Combine – To a large bowl with add tender egg noodles, onions, chicken chunks, french onion dip, soup, half and half, black pepper, chives, cup cheese and Parmesan cheese. Stir to combine then pour the casserole mixture into the prepared dish.
• Top with Cheese – Sprinkle the top with reserved cup shredded cheddar cheese and french fried onions.
• Oven – Bake per the recipe until bubbly and golden brown.
• Serve – Serve immediately garnished with additional chives or fresh parsley.

Kitchen Equipment to Make French Onion Chicken and Noodle Casserole

• A large pasta pot or similar size pot to cook the egg noodles.
• Measuring cups and measuring spoons.
• 13×9-inch baking dish.
• Sharp knife and chopping board to chop the chicken and chives.
• Large mixing bowl and rubber spatula for stirring everything together.

Recipe Variations, Tips and Substitutions

• Cheese – You can adapt using your favorite flavor or variety of cheese. Gruyere cheese, swiss cheese and monterey jack cheese all work well.
• Vegetables – You could add other veggies such as sautéed mushrooms or a cup of peas to the casserole.
• Condensed Soup – You could use cream of mushroom soup or cream of onion soup, too.
• Fresh Herbs – You could add herbs such as fresh thyme or rosemary.
• Special Note – This recipe doesn’t call for salt. There’s ample in the other ingredients that makes it unnecessary to add more. You can taste and adapt to suit your taste, of course.
• Canned Soup Adds Flavor – The bold flavor of French onions shines through in this casserole. While I don’t often cook with canned soup, it really does work in this recipe and makes assembly a snap.
• Caramelize the Onions for Depth of Flavor – Caramelized onions in the casserole mimic the savory sweetness of the onions in French onion soup.
• Use Light or Full Fat French Onion Dip – French onion dip not only amps up the flavor but takes the place of sour cream in the sauce for this french onion casserole. You can use full fat or light.

Storage and Leftovers

• Make-Ahead Tip – You can fully assemble this noodle casserole in advance, cover with plastic wrap and chill until you’re ready to bake it. When doing so, you may opt to let it sit on the counter for fifteen minutes or so to warm to room temperature. You may need to adjust the baking time slightly.
• Leftovers – Store baked French Onion Chicken Noodle Casserole covered with aluminum foil or in an airtight container chilled in the refrigerator for up to 3 days.
• Reheating – Reheat in single servings in the microwave.
• Freezer Storage – Store french onion chicken casserole frozen for up to 2 months. Thaw in the fridge.

Side Dishes to Serve with French Onion Chicken Noodle Casserole

Just in case you need inspiration, I’ve got you covered! A few side dishes you may like to add to serve alongside this casserole:

• Oven Roasted Asparagus drizzled with a balsamic glaze.
• Roasted Garden Vegetable Medley tossed with Parmesan cheese.
• Seven Layer Salad can be made in advance for a timesaver.
• Grilled Corn Salad is fresh and light.
• Broccoli Salad is a deli favorite.
• Dutch Oven Artisan White Bread is certain to impress the family.
• Homestyle Garlic Herb Bread is a quick and easy garlic bread when you’re in a time crunch.

More Noodle Casseroles to Make

Pasta is always a winning choice for dinner. It’s inexpensive and a little goes a long way. Other noodle recipes you may want to try:

• Ham and Noodle Gratin is a tasty way to turn leftover ham into a round two meal.
• Rich and hearty Beef and Noodles Casserole. 
• Homemade Tuna Noodle Casserole is made with a homemade sauce.
• Chicken Cordon Bleu Noodle Casserole hits all of the same flavor points for a flavorful take on a classic dish.
• Homemade Egg Noodles from Tastes Better from Scratch.

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Helpful Kitchen Items:

• 13×9-inch Dish
• Cheese Grater
• Spatula
• Chopping Board and Knives