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Sausage Croissant French Toast Casserole

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Sausage Croissant French Toast Casserole is tender, buttery and flavored with sage and Gruyere cheese! Perfect breakfast or brunch recipe to make for company, or just because.

Sausage Croissant French Toast Casserole  serving on a small white plate

Sausage Croissant French Toast Casserole

I’ve made loads and loads of French toast casseroles over the years.  Known by other names like savory bread puddings or stratas, they all have a bread component.

I tend to reach for challah,  a sturdy egg bread, but have used cinnamon bread and now croissants. Paired with  Italian sausage and sage, this was one stupendous brunch recipe over the holidays.

Both boys and the hubby gave it rave reviews. When I sent some leftovers home with our oldest, Bill  was a little concerned that I’d send TOO much in his care package!

Sausage Croissant French Toast Casserole  in a white baking dish

Company Worthy

A friend (Hi, Mary!) shared this New York Times recipe on her Facebook page. It looked so cheesy and tempting that I knew I’d be making it ASAP. Much as the family would love this every week, the cheese, the croissants, and the cream make it a special occasion breakfast. Sausage croissant French toast casserole is definitely worth the caloric splurge!Overhead view of Sausage Croissant French Toast Casserole in a white baking dish

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Sausage Croissant French Toast Casserole

A savory French toast casserole made with croissants and sausage. Adapted from the NYT.

  • Author: Liz Berg
  • Prep Time: 20 mins
  • Cook Time: 45 mins
  • Total Time: 1 hour 5 minutes
  • Yield: 8-10 servings 1x
  • Category: Breakfast, Brunch
  • Method: Mixing, Baking
  • Cuisine: American


  • 1 pound croissants (about 5 to 7), split in half lengthwise
  • 1 tablespoon olive oil
  • 1 bunch scallions, white part sliced thinly
  • 3/4 pound mild Italian sausage, casings removed
  • 2 teaspoons finely chopped fresh sage
  • 8 eggs
  • 3 cups whole milk
  • 1 cup heavy cream
  • 8 ounces Gruyère, grated (2 cups)
  • 1 1/4 teaspoons kosher salt
  • 1 teaspoon black pepper


  1. Heat oven to 400 degrees. Spread croissants on a large baking sheet and toast, cut side up, until golden brown, about 5 minutes (watch carefully to see that they do not burn). Let cool, then tear into large bite-size pieces.
  2. Heat the olive oil in a skillet. Add sliced scallions and sausage meat; cook, breaking up the sausage until mixture is browned and crumbled, about 5 minutes. Stir in sage, and remove from heat.
  3. In a large bowl, toss the croissant pieces and sausage mixture. In a separate bowl, whisk together eggs, milk, cream, 1½ cups cheese, salt and pepper.
  4. Coat a 9 x 13-inch baking dish with non-stick cooking spray. Add croissant mixture into pan, spreading it out evenly. Pour the custard over the croissants. Cover with plastic wrap and refrigerate at least 4 hours or overnight.
  5. When you’re ready to bake the casserole, heat oven to 350 degrees. Sprinkle the rest of the grated cheese over the top of the casserole. Bake until casserole is golden brown and set, about 45 minutes. Let stand 10 minutes before serving.

Sausage Croissant French Toast Casserole - Tender, buttery and full of flavor from sausage, herbs and Gruyere

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26 comments on “Sausage Croissant French Toast Casserole”

  1. What a fancy breakfast and it’s one I can make here! So often the decadent things Americans come up with aren’t available here. I can’t wait to have company and try this. First I have to make my own sausage but that’s doable. 🙂

  2. wow..Croissants used in French toast….amaaaaaaaaazingly delicious!

  3. Love this kind of recipe in winter times. So goood and cheesy!! Have a wonderful day Liz!

  4. I am not sure what I love more that there is cheese in this or its french toast! All in one dish with sausage what a bonus recipe! thanks Liz!

  5. Liz, I bet it’s delicious and wonderful as well.

  6. Oh I love this dish Liz, perfect for when we have overnight guests.

  7. I love using croissants for French toast (so decadent!). This is the perfect weekend brunch recipe!

  8. Oh I love these kind of breakfast casseroles! This one sound especially delicious.

  9. We love breakfasts like this and the recipes I’ve been using have gotten mundane. Love having a new one to try. Thanks LIZ!

  10. delicious! i have a recipe similar to this, perfect for breakfast with a full house of guest! Love it!

  11. This looks supremely comforting with all that melty cheese and is perfect for a savory twist on French toast.

  12. This does sound delicious even if it is a heart attack waiting to happen. Everyone deserves to indulge occasionally!

  13. Liz, This recipe looks delicious! It’s perfect for a brunch. Thanks for sharing and Happy New Year! Joan

  14. Thanks for this recipe Liz – I know an opportunity will arise where I can make this casserole and share it too! I would hate to have to eat the whole thing myself – haha. Have a lovely weekend.

  15. Sometimes its good to splurge on calories, I am going to try this with vegetarian sausages 😀

  16. I would love to wake up to the aroma of this baking!

  17. I have never tried savoury bread pudding before. This one sounds like a winner, especially given that Bill was protective of the leftovers.

  18. What is not to love about this awesome recipe? I mean, we all love sausages AND croissants! It must have filled the house with delicious aromas as it baked.

  19. Be Still My Heart! I would also share Bill’s concern =) Croissant and gruyere cheese? I am in! Thank you for sharing the recipe inspired by your friend.

  20. Ohhhhh my!!! I’ve been living on my island for 3.5 months now, without access to any of my ol faves, reading this, imagining allllllll the tastes, I’m drooling. Absolutely going to hit the shops in a week or two for ingredients. YARM!

  21. Wow, this looks like a truly wonderful treat for breakfast!! Will be trying too…ASAP! 🙂

  22. This looks like something I would order while on vacation. Thankfully, now I can have it while at home.

  23. I adore breakfast casseroles. They are the perfect way to start a day! This sounds totally decadent with croissants an all. Jeez. I might have to take a wlak around the block after this! BUT! It would be worth it!

  24. Love this Savory French toast casserole. Great for Mother’s Day coming up!

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