Savory Croissant Casserole

A savory croissant casserole recipe made with buttery croissants, melted swiss cheese, honey ham (or bacon)! Assemble the overnight breakfast casserole the night before and enjoy it for a relaxing Saturday morning or brunch party.

Pinterest Pin of a Savory Overnight Croissant Casserole recipe up close at an angle

Croissants are easily one of my favorite breakfast foods (move over donuts and bagels).

So, every time I walk by the croissants in Costco, I have to convince myself that 12 jumbo croissants are wayyy too many for a household of 2.5 (can’t forget Jakey!), even if they only cost $5.

When Nick told me he was having some friends visit for the weekend, I figured it was finally the perfect time to experiment with a croissant casserole (even if this ‘experiment’ was a complete fail, it would hopefully cure a hangover)!

Luckily, the experiment was far from a fail and now we have this savory croissant casserole recipe.

And, I got some pretty good feedback that I incorporated into a second batch: swap ham for bacon.

Close up image of a savory overnight croissant casserole recipe

Table of Contents

  1. Ingredients
  2. Equipment
  3. Instructions
  4. Video
  5. Tips
  6. Recipe Card
  7. Other Brunch Recipes

Recipe ingredients: Croissants, ham, cheese, cream, chives, salt, and pepper

Savory Croissant Casserole Ingredients

  1. Croissants
  2. Honey Ham
  3. Swiss Cheese
  4. Eggs
  5. Half-and-half
  6. Salt & pepper
  7. Chives

Savory Croissant Casserole Equipment

  1. Large mixing bowl: to mix the eggs, half-and-half, salt, and pepper.
  2. Whisk: to mix the eggs, half-and-half, salt, and pepper.
  3. Cutting board: to cut the croissants, ham, and cheese.
  4. Chef’s knife: to cut the croissants, ham, and cheese.
  5. 9×13 casserole dish: to assemble and serve the casserole.
  6. Turner: to serve the casserole.

Instructions on how to cut a croissant for a casserole

How To Make A Savory Croissant Casserole Recipe

1. Prepare The Casserole Ingredients

First, slice each croissant into six small pieces (as pictured above). Set aside.

Next, slice the honey ham and swiss cheese. Set aside.

In a large mixing bowl, beat the eggs.

Then, add the half-and-half, salt, and pepper to the bowl and mix to combine.

2. Assemble The Casserole

Grease a 9×13 casserole dish with cooking spray.

Line the bottom of the dish with about half of the croissant pieces.

Next, add a layer of sliced ham and swiss cheese (don’t worry about covering every part of the croissant layer).

Add the remaining croissant pieces on top.

Pour the egg mixture over the casserole dish.

Using your hands, push the croissant pieces into the egg mixture.

Then, add more cheese and ham to fill any ‘gaps’ in the casserole.

Cover the casserole with plastic wrap and refrigerate for four to 10 hours.

Instructions to make a savory overnight croissant casserole recipe

3. Bake The Casserole

One hour before you are ready to bake the casserole, remove it from the fridge and sit it on the counter to come to room temperature for about one hour.

Preheat the oven to 375 degrees.

Cover the casserole with foil and bake for 40 minutes.

Remove the casserole from the oven and let it sit for five minutes before serving.

Garnish with freshly diced chives.

Enjoy!

Tips For Your Savory Croissant Casserole Recipe

Serving Tips

This casserole tastes great with Vermont maple syrup, Trader Joe’s Everything But The Bagel seasoning, or Siracha (for a kick).

Serve this casserole with a side of eggs and bacon for the ultimate breakfast.

Close up and angled image of a savory overnight croissant casserole recipe

Reheating Instructions

This casserole can dry out easily! Here’s the best way to reheat the casserole:

  1. Microwave one piece at a time with a small cup of water in the microwave, OR
  2. Place a 1/2 tbsp of butter on the casserole when you microwave it.

When To Serve A Savory Croissant Casserole

My favorite occasions to serve this recipe include:

  1. Fourth of July Brunch Party
  2. All-Day Super Bow Party
  3. Afternoon brunch with a Mimosa Bar

Image of us enjoying the breakfast casserole

Other Brunch Recipe Ideas


Savory Croissant Casserole close up image

Savory Croissant Casserole

A savory overnight croissant casserole recipe made buttery croissants, melted swiss cheese, honey ham (or bacon)! Assemble the casserole the night before and enjoy it for a relaxing Saturday morning or brunch party.
Prep Time 20 minutes
Cook Time 40 minutes
Resting Time* 5 hours
Total Time 6 hours
Course Breakfast, Main Course
Cuisine American, French
Servings 6

Equipment

  • Large mixing bowl
  • Whisk
  • Cutting board
  • Chefs knife
  • 9x13 casserole dish
  • Turner

Ingredients
  

  • 8 large Croissants
  • 10 oz Honey ham**
  • 8 slices Swiss cheese
  • 10 large Eggs
  • 3/4 cup Half-and-half***
  • 1/2 tsp Salt
  • 1/2 tsp Pepper
  • 1 tbsp Fresh chives****
  • Vermont maple syrup optional, for serving
  • Trader Joe's Everything But The Bagel Seasoning optional, for serving
  • Siracha optional, for serving

Instructions
 

Prepare the casserole ingredients

  • Slice each croissant into six small pieces (as pictured above).
  • Slice the honey ham and swiss cheese into small pieces.
  • In a large mixing bowl, beat the eggs.
  • Then add the half-and-half, salt, and pepper to the bowl and mix to combine.

Assemble the casserole

  • Grease the 9x13 casserole dish with cooking spray.
  • Line the bottom of the dish with about half of the croissant pieces.
  • Add a layer of the sliced ham and swiss cheese (don't worry about covering every part of the croissant layer).
  • Add the remaining croissant pieces on top.
  • Pour the egg mixture over the casserole.
  • Using your hands, push the croissant pieces into the egg mixture.
  • Fill in any gaps with more ham and cheese.
  • Cover the casserole with plastic wrap and refrigerate for four to 10 hours.

Bake the Casserole

  • One hour before you're ready to bake the casserole, remove it from the fridge and let it come to room temperature on the counter for one hour.
  • Preheat the oven to 375 degrees.
  • Cover the casserole with tin foil and bake for 40 minutes.
  • Remove the casserole from the oven and let it sit for five minutes before serving.
  • Garnish with freshly diced chives.
  • Serve with Vermont maple syrup, Trader Joe's Everything But The Bagel seasoning, and/or siracha.

Notes

* Resting Time Total refers to the 4-hour minimum fridge-time for the casserole to set plus the 1 hour at room temperature before baking. 
** I loved using honey ham for this recipe, but any uncured ham should work.
*** You can also use 2% milk.
**** You can also use dried chives found in the spices aisle at the grocery store. If you make this substitution, add the chives before you cover the casserole with tin foil for baking.
Keyword Breakfast, Brunch, Casserole, Savory


Pinterest Pin of a slice of a Savory Overnight Croissant Casserole recipe on a plate
Pinterest Pin of a slice of a Savory Overnight Croissant Casserole recipe
Pinterest Pin of a Savory Overnight Croissant Casserole recipe up close
Pinterest Pin of us enjoying a slice of a Savory Overnight Croissant Casserole recipe

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Sam
Samantha is the founder of the lifestyle blog, Lifestyled By Sam. She has been cooking and baking since her childhood and now loves hosting family and friends for the holidays. Lifestyle By Sam is dedicated to being your one-stop-shop for recipes and hosting your favorite holidays and events.

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Hi, I’m Sam

Thanks for stopping by my blog, Lifestyled By Sam

My goal is to be your one-stop-shop for recipes and hosting guides for your favorite events and holidays. Learn more about me.

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