Croissant Breakfast Bake

closeup of croissant breakfast casserole

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You'll never go back to a traditional breakfast casserole after trying this Croissant Breakfast Bake. Loaded with fluffy croissants, eggs, ham and gruyere cheese.

Prep Time35

Cook Time40

Total Time1 15

Course: Breakfast

Cuisine: American

Keyword: breakfast and brunch, breakfast casserole, egg bake

Servings:

Calories: 425kcal

Author: Julie Clark

Ingredients

8 large butter croissants
8 ounces ham cut into 1 x ¼-inch strips
1 cup Gruyère cheese shredded
10 large eggs
2 teaspoons Dijon mustard 10 grams
1 teaspoon salt 5 grams
¼ teaspoon ground cayenne pepper
¼ teaspoon ground nutmeg
2 cups whole milk 16 ounces
1 cup heavy cream 8 ounces
chopped fresh chives for garnishing

Instructions

Preheat the oven to 250°F and grease a 9x13-inch casserole dish.
Tear the croissants into large chunks (about 2-inch in size). Place them on a parchment-lined baking sheet and bake for 25 minutes to dry them out. 8 large butter croissants
Remove the croissants from the oven and place them in the prepared casserole dish, fitting them closely together.
Increase the oven temperature to 325°F.
Scatter the ham over the croissant pieces and sprinkle the shredded cheese on top. 8 ounces ham , 1 cup Gruyère cheese
In a large bowl with a pourable spout, whisk together the eggs, Dijon, salt, cayenne pepper and nutmeg until well combined. 10 large eggs, 2 teaspoons Dijon mustard, 1 teaspoon salt, ¼ teaspoon ground cayenne pepper, ¼ teaspoon ground nutmeg
Whisk in the milk and heavy cream and pour the mixture over the croissants, covering them evenly. 2 cups whole milk, 1 cup heavy cream
Cover the casserole dish with aluminum foil and bake for 40 minutes (or until the tops are golden brown and the egg mixture has set).
Sprinkle with chopped chives before serving. chopped fresh chives

Notes

If you can, purchase a block of gruyere cheese and grate it yourself. Store-bought shredded cheese contains a coating that doesn’t give it that nice texture when melted.
When placing the croissants in the casserole dish, make sure they are ‘torn side up’ so they can catch all the egg, cheese, and ham bits.
Other seasoning ideas: sage, thyme, green onions, black pepper.
Refer to the article above for more tips and tricks.

The calories shown are based on the recipe serving 12, with 1 serving being 1/12 of the casserole. Since different brands of ingredients have different nutritional information, the calories shown are just an estimate. **We are not dietitians and recommend you seek a nutritionist for exact nutritional information. **

Nutrition