French Onion Soup Mac and CheeseSometimes when life gets incredibly hectic there’s nothing to do but call in for back up support.  So I’ve lined up a few guest posts from some of my dear friends to help get me through January!  Please give a warm welcome to Carrie from Bakeaholic Mama.  Carrie and I got to spend some time together (not nearly enough) at Mixed Conference and I just adore her.  I’m so excited to be spotlighting her delicious food today.  Take it away, Carrie!

Macaroni and cheese is a meal we all grew up eating. Whether it was from the blue box, or a mom’s best ever baked version. We all love it. Over the years I have made many many versions incorporating any and every cheese I can get my hands on. From time to time I like to switch it up and add some of my favorite adult flavors to make my kid friendly meal more grown up. Like this Buffalo Chicken Mac n’ Cheese, or one of my latest favorites, Jalapeno Popper Macaroni and Cheese. There are so many variations you can try with a meal as versatile as just pasta and cheese sauce.

French Onion Soup Mac and Cheese

Recently I have become obsessed with these French Onion Grilled Cheese Sandwiches, it occurred to me that I could do something similar with my favorite cheesy dish. Why not top a Gruyere macaroni and cheese with some caramelized onions and croutons. It will have all the components of French Onion Soup.


French Onion Soup Macaroni and Cheese
Cook time
Total time
Serves: 4-6 servings
For the pasta:
  • 1 - 13.5oz box pasta
  • 3 tablespoons butter
  • 3 tablespoons all purpose flour
  • 2 cups milk
  • 12 ounces Gruyere cheese, shredded
  • 6 ounces cheddar cheese, shredded
  • 4 ounces mozzarella cheese, shredded
  • 2 cloves garlic, minced
  • ¼ teaspoon salt
  • ¼ teaspoon grated nutmeg
For the topping:
  • 4 medium yellow onions, sliced thin
  • 2 tablespoons butter
  • 1 tablespoon olive oil
  • ¼ teaspoon salt
  • 2 sprigs fresh thyme
  • 2 tablespoons dry white wine
  • 1 cup seasoned croutons, crumbled
  1. Cook pasta according to package directions.
  2. In a medium saute pan add butter, olive oil, onions and thyme over medium-low heat. Saute, stirring occasionally. After about 15 minutes stir in white wine to deglaze the pan. Continue to caramelize the onions until they are golden brown in color (approximately 20-30 minutes total cooking time). Remove thyme stems and set onions aside.
  3. Add butter and flour to a medium sauce pan on medium heat. Whisk constantly until a paste forms. Slowly pour in your milk while whisking constantly. Bring sauce to a boil.
  4. Mix in garlic and cheese while stirring with a rubber spatula or wooden spoon. When all the cheese has melted and the sauce is smooth remove from heat.
  5. In a large bowl or pan mix cooked pasta together with the cheese sauce. Pour macaroni into a large casserole dish.
  6. Top with caramelized onions. Crumble croutons over the top of the onions. Bake at 350 degrees F for 20 minutes until the top has browned and the cheese is bubbling.


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  1. Wow, this looks so decadent! Yummy!

  2. That’s a fabulous fusion recipe! Perfect comfort food for this chilly month.

  3. That looks sinful!!! Yum :)

  4. This is a brilliant take on macaroni and cheese. Love French Onion Soup!

  5. The photo above the recipe, is to die for!!! What a fabulous idea!!

  6. Caramelized onions and croutons atop cheesy macaroni!? Carrie, you’re a genius! This dish looks beyond tempting. :D

  7. Thanks, Carrie and thanks Jennifer! Not only do I love the photos (mac n cheese in a cast iron skillet–how clever is that?) this recipe sounds just delicious. I appreciate learning about it!

  8. yes yes yes! the idea of French Onion Soup Macaroni and Cheese is so comforting on this rainy day

  9. OMG, Carrie…this looks so darn incredibly delicious!!! What a great comfort combination of flavors!

  10. Mac and cheese is a classic but it can get boring fast. I LOVE this French onion soup version! I could eat it every day!

  11. I am so sad that I don’t have a giant bowl of this right now. This looks AMAZING!

  12. I love the idea! And I haven’t made macaroni and cheese for about a year. Time again, wouldn’t you say? Really inspired – thanks.

  13. So normally I’m not a big french onion soup fan, but when combined with mac n cheese? I’m on board!!! Looks deeelicious!

  14. oh girl. now THIS is my kind of mac and cheese. french onion soup is SO amazing but I have never, ever, ever thought to combine the flavors with mac and cheese. you are my all star Jen!!!! I am obsessed!

  15. Coming over from Carrie’s site to view this deliciousness! The photo says it all!

  16. This looks incredible! I could go for a bit bowl of it right now! What a great combination of flavors.

  17. Yes Please!

  18. you didn’t just do this? I am drooling!

  19. Hold the phone- this looks amazing!!!

  20. I love French onion soup, this looks so good!

  21. These jazzed up Mac and Cheese look and sound divine! Can’t wait to give it a try.

  22. And there is somthing to be said for back lighting of foods…Nice shooting!

  23. This is great especially I won’t be able to pick which one to pick – I love both French Onion Soup and Mac and Cheese. ;)

  24. It’s so awesome to see Carrie guest-posting here!

    Oh and this mac and cheese is just screaming my name! Definitely have to make this soon!

  25. Now this sounds like a flavor combination I can get behind! Looks great :)

  26. This sound like a very interesting and tasty meal:) If my husband would see it he would ask for it:)

  27. Such a fun idea! I love caramelized onions in just about everything savory, and I can only imagine they would rock with mac ‘n’ cheese. I feel like I’m having Velveta shells, but all grown up!

  28. Erin @ Dinners, Dishes and Desserts says:

    Oh my, this is just amazing! Carrie is supper creative, and this is just genius!

  29. claire @ the realistic nutritionist says:

    Carrie blows me away. What an amazing recipe Carrie!

  30. I can’t even look at this right now. I want to crawl into my computer and eat at least 10 bowls of this.

  31. fabiola@notjustbaked says:

    I love that you called out help from you dear friends to post. And I now want mac and cheese, it looks super creamy and delicious! I hope you are well!

  32. This is incredible!! Licking my screen thinking it will taste like French Onion Soup Mac N Cheese is not so incredible. You combined two of my favorite comfort food dishes, you brilliant mac and cheese mastermind, you!

  33. Wowee and I want to make this! Two of the absolute best winter comfort foods in one dish. Love….

  34. Wow – this looks beyond awesome. I love all different versions of mac n’ cheese – i can’t believe I haven’t thought of this one before. It looks gooey and perfect!

  35. This looks amazing. I’m totally going to bookmark it.

  36. this is going on my to make list. it looks fabulous.

  37. OMG! You have managed to combine two of my favorite things! My sister’s too – see if I can keep from squealing to her about it before I have a chance to try it and surprise her with it. I come from a long line of macaroni and cheese hounds, and most of us are huge French onion soup fans too. This must be awesome! :)

  38. Yum! I will always be drawn fabulous mac and cheese recipies.

  39. yum this recipe looks amazing! beautiful photos :) keep doing what you’re doing, from one food blogger to another xx

  40. Wow – this was so good! Ultimate comfort and decadence.

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