French Onion Mac And Cheese Recipe – Quick Delicious Meals

Servings: 12 Total Time: 2 hrs 30 mins Difficulty: Intermediate

French Onion Mac and Cheese is a rich, comforting dish that pairs best with lighter sides. A fresh arugula salad with lemon vinaigrette adds a peppery, tangy bite that balances the creaminess.

Crunchy garlic bread brings buttery crispness, creating a perfect texture contrast with the soft pasta. It’s a classic side that’s hard to resist.

Grilled vegetables like zucchini and bell peppers add smoky flavor and vibrant color, rounding out the meal with freshness and depth.

French Onion Mac And Cheese Recipe

What Is French Onion Mac and Cheese?

French Onion Mac and Cheese combines two beloved dishes into one overloaded bowl of flavor. Creamy mac and cheese meets the rich, savory essence of French onion soup, creating an experience that is both familiar and surprising. 

The caramelized onions lend sweetness, while the gooey cheese provides that comforting texture we all crave.

Why This Recipe Works

1. Flavor Depth: The caramelization of the onions creates a rich, sweet taste that serves as the backbone of this dish. Your taste buds will dance with joy as the sweet meets the savory.

2. Perfect Cheese Blend: By combining aged Gruyère and Parmesan, you ensure a luxurious creaminess and a strong flavor profile. Gruyère melts perfectly, while Parmesan adds a sharpness that elevates the overall taste.

3. Creamy Texture: The unique blend of ingredients, particularly the whole milk and butter with a touch of flour for thickening, turns this into a dish that wraps around your spoon like a warm hug.

4. Versatile Ingredients: This recipe is adaptable. Whether you’re gluten-free, lactose-sensitive, or a vegetarian, you can tweak ingredients without compromising on taste. Options abound for clever swaps, allowing you to cater to your pantry and dietary needs.

Ingredients You’ll Need To Make This Dish

To create this culinary masterpiece, gather the following ingredients:

  • 4 large sweet yellow onions, thinly sliced
  • 3 tablespoons extra virgin olive oil
  • kosher salt and freshly ground black pepper
  • 1 pound short-cut pasta, cooked al dente
  • 12 ounces aged Gruyère cheese, finely grated
  • 3 ounces Parmesan cheese, freshly grated
  • 3 tablespoons unsalted European-style butter
  • ¼ cup plain all-purpose flour
  • 2 ½ cups whole milk
  • ¼ teaspoon freshly grated nutmeg
  • 1 teaspoon garlic powder
  • ⅓ cup herbed seasoned breadcrumbs
  • fresh thyme sprigs, for garnish
French Onion Mac And Cheese Copycat Recipe

How To Make This French Onion Mac and Cheese?

Get your apron on and let’s do this! Follow these steps to arrive at cheesy, oniony nirvana.

Step 1: Caramelize the Onions

Start by heating the olive oil in a large skillet over medium heat. Add the sliced onions and season with salt. It’s all about patience here. 

Stir frequently for about 30 minutes, allowing them to caramelize slowly until they turn a rich, golden brown. The aroma will be mouthwatering.

Step 2: Prepare the Pasta

While the onions are cooking, boil the pasta in salted water until al dente. Drain the pasta and set it aside. You want the right bite to complement the creamy sauce later.

Step 3: Create the Cheese Sauce

In a separate pot, melt the butter over medium heat. Once melted, whisk in the flour to create a roux. Cook it for about two minutes, stirring continuously, until it turns a light golden color. Gradually add the whole milk, whisking constantly to promote a smooth texture.

Step 4: Add Seasoning and Cheese

Once your sauce thickens, add the garlic powder, nutmeg, and a generous pinch of salt and pepper. Then, stir in the Gruyère cheese until it melts, followed by the Parmesan. It’s a cheesy extravaganza!

Step 5: Combine Everything

In a large mixing bowl, combine the pasta, caramelized onions, and cheese sauce. Stir gently to coat every piece of pasta with that glorious mixture.

Step 6: Add Breadcrumb Topping

Transfer the mac and cheese into a greased baking dish. Top with seasoned breadcrumbs for that crunch factor. It’ll give you the perfect contrast to the creamy pasta.

Step 7: Bake to Perfection

Bake your dish in a preheated oven at 350°F (175°C) for about 25 minutes or until bubbly and golden on top. Let it cool slightly before serving.

Tips & Tricks

Here are some handy tips to make your French Onion Mac and Cheese pop even more:

  • Use Sweet Onions: Sweet onions caramelize beautifully, lending a natural sweetness to the dish.
  • Experiment with Cheeses: Don’t hesitate to mix cheeses! Fontina or cheddar can add their twist to the flavor.
  • Add Protein: Want to amp up the dish? Consider adding cooked bacon, chicken, or even chickpeas for extra heartiness.
  • Test Readiness: Make sure the pasta is al dente before mixing it with the sauce. It’ll cook further in the oven.
  • Make Ahead: This mac and cheese can be made in advance. Simply assemble it, cover, and refrigerate. Bake it just before serving!

How Do You Store The Leftovers?

Got some leftover French Onion Mac and Cheese? 

Great news! You can store it quite easily. Place it in an airtight container and keep it in the fridge for up to three days. For longer storage, consider freezing it. 

Portion it in freezer-safe containers and enjoy it for up to three months. Reheat it slowly in the oven or microwave until hot and bubbly.

What Sides Would Complement French Onion Mac and Cheese?

Let’s explore a few sides that’ll elevate your meal even more.

1. Roasted Brussels Sprouts: These mini cabbages are sweet and crunchy with a hint of char. Tossed in olive oil, salt, and pepper, they provide a delightful contrast to creamy pasta.

2. Tomato Basil Soup: A warm bowl of this classic soup pairs beautifully. The acidity and freshness of tomatoes will balance the richness of the mac and cheese while satisfying your soul.

3. Spinach Salad with Balsamic Vinaigrette: A fresh spinach salad brings a pop of freshness. Toss in some nuts and cheese for texture and flavor.

What Alternatives Can You Use for the Ingredients If They Are Not Present in Your Kitchen?

Life happens! If you’re missing some ingredients, don’t fret. Here are some alternatives:

1. Onion Alternatives: If sweet onions are out of reach, yellow or red onions will work. A little less sweet, but they’ll still add flavor.

2. Cheese Alternatives: If Gruyère isn’t available, consider using provolone. If you want a stronger bite, sharp cheddar can work wonders as well.

3. Pasta Substitutions: No short pasta? Grab any shape you have on hand. Fusilli or penne make great stand-ins, just keep it al dente!

4. Dairy Alternatives: For a lactose-free option, consider using almond or oat milk as a base for your cheese sauce. Use lactose-free cheeses or nutritional yeast for a cheesy flavor.

But French Onion Mac And Cheese Recipe

Conclusion

French Onion Mac and Cheese is more than a meal; it’s a culinary experience. The depth of flavors, creamy cheese, and sweet caramelized onions create a satisfying dish everyone will adore. 

Pair it alongside fresh salads or grilled vegetables, and you’ve got yourself a feast. Remember, cooking is about joy and sharing, so invite your loved ones, dig in, and relish each bite.

Whether you are hosting a grand gathering or having an intimate dinner at home, this dish will shine. So what are you waiting for? Dive into this cheesy goodness—you won’t regret it!

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French Onion Mac And Cheese Recipe – Quick Delicious Meals

Imagine the comforting embrace of gooey cheese and hearty pasta, wrapped in the sweet aroma of caramelized onions. That's French Onion Mac and Cheese for you! It’s the kind of dish that brings people together, whether you're hosting a dinner party or crashing on the couch for a cozy night in. 

I found myself concocting this recipe after one too many disappointing mac-and-cheese experiences. You know the ones—overly cheesy or bland, leaving you longing for something that truly satisfies.

After intense testing and a little trial and error in the kitchen, I perfected a recipe that not only delivers on taste but also adds that unique French onion twist. It's creamy, rich, and oh-so-delicious. 

So, let’s get into what makes this dish so remarkable.

French Onion Mac And Cheese Recipe
Prep Time 2 hrs Cook Time 30 mins Total Time 2 hrs 30 mins Difficulty: Intermediate Servings: 12 Calories: 261 kcal Best Season: Suitable throughout the year

Ingredients

Instructions

Step 1: Caramelize the Onions

  1. Start by heating the olive oil in a large skillet over medium heat. Add the sliced onions and season with salt. It’s all about patience here. 

    Stir frequently for about 30 minutes, allowing them to caramelize slowly until they turn a rich, golden brown. The aroma will be mouthwatering.

Step 2: Prepare the Pasta

  1. While the onions are cooking, boil the pasta in salted water until al dente. Drain the pasta and set it aside. You want the right bite to complement the creamy sauce later.

Step 3: Create the Cheese Sauce

  1. In a separate pot, melt the butter over medium heat. Once melted, whisk in the flour to create a roux. Cook it for about two minutes, stirring continuously, until it turns a light golden color. Gradually add the whole milk, whisking constantly to promote a smooth texture.

Step 4: Add Seasoning and Cheese

  1. Once your sauce thickens, add the garlic powder, nutmeg, and a generous pinch of salt and pepper. Then, stir in the Gruyère cheese until it melts, followed by the Parmesan. It’s a cheesy extravaganza!

Step 5: Combine Everything

  1. In a large mixing bowl, combine the pasta, caramelized onions, and cheese sauce. Stir gently to coat every piece of pasta with that glorious mixture.

Step 6: Add Breadcrumb Topping

  1. Transfer the mac and cheese into a greased baking dish. Top with seasoned breadcrumbs for that crunch factor. It’ll give you the perfect contrast to the creamy pasta.

Step 7: Bake to Perfection

  1. Bake your dish in a preheated oven at 350°F (175°C) for about 25 minutes or until bubbly and golden on top. Let it cool slightly before serving.

Nutrition Facts

Servings 12


Amount Per Serving
Calories 259kcal
% Daily Value *
Total Fat 13.3g21%
Saturated Fat 7.2g36%
Trans Fat 0.1g
Cholesterol 31mg11%
Sodium 914mg39%
Total Carbohydrate 25g9%
Dietary Fiber 2g8%
Sugars 9g
Protein 10g20%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.

Note

  • Use Sweet Onions: Sweet onions caramelize beautifully, lending a natural sweetness to the dish.
  • Experiment with Cheeses: Don’t hesitate to mix cheeses! Fontina or cheddar can add their twist to the flavor.
  • Add Protein: Want to amp up the dish? Consider adding cooked bacon, chicken, or even chickpeas for extra heartiness.
  • Test Readiness: Make sure the pasta is al dente before mixing it with the sauce. It’ll cook further in the oven.
  • Make Ahead: This mac and cheese can be made in advance. Simply assemble it, cover, and refrigerate. Bake it just before serving!
Keywords: French Onion Mac And Cheese Recipe
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Frequently Asked Questions

Expand All:
1. Can I make this dish vegetarian?

Absolutely! This recipe is inherently vegetarian. Just make sure to select veggie broth instead of chicken if you decide to modify.

2. Can I use gluten-free pasta?

 Yes! You can swap in your favored gluten-free pasta. It’s a fantastic alternative that won't compromise flavor.

3. How do I add more vegetables?

 Consider tossing in sautéed mushrooms, spinach, or leeks. They will blend beautifully in with the onions, enriching the dish.

4. Can I make it spicy?

Of course! Add red pepper flakes or diced jalapeños to the sauce for a kick.

5. What type of milk can I use instead?

 Plant-based milks like almond or soy can work great as substitutes!

6. How long does it take to prepare?

From start to finish, you’re looking at about 1 hour. It’s worth every minute when you taste the results.

Rachel Garland, Author and Registered Dietitian

Rachel Garland

Registered dietitian, food lover and blogger

I'm Rachel Garland, a registered dietitian and passionate home cook from Fairfield, California. My goal is to help busy people create quick, flavorful, and nutritious meals that fit into their hectic lives. Through my blog, I share simple, delicious recipes that make healthy eating easy and enjoyable!

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