Monte Cristo Casserole with Croissants

Monte Cristo casserole with buttery croissants, savory ham, and Swiss cheese baked in a rich custard. Finished with powdered sugar and served with raspberry jam, it brings that classic sweet and savory balance into an easy brunch or dinner bake.

Course Breakfast, Main Course

Cuisine American

Keyword baked Monte Cristo casserole, croissant breakfast casserole, Monte Cristo bake, Monte Cristo breakfast casserole, Monte Cristo Casserole, Monte Cristo casserole recipe, Monte Cristo casserole with croissants

Prep Time 15

Cook Time 50

Total Time 1 5

Servings

Calories 460kcal

Equipment

baking pan 9x13 Holds the casserole for even baking.
Knife For cutting croissants and dicing ham.
measuring cups and spoons For accurate ingredient measurement.
mixing bowls For preparing the custard.
whisk For blending the custard until smooth.

Ingredients

cooking spray
6 large (~300 g) croissants
8 oz (225 g) diced ham
8 oz (225 g) shredded Swiss cheese divided
5 large eggs
1 cup (240 ml) whole milk
1 tbsp (15 ml) Dijon mustard
¼ tsp (0.5 g) ground nutmeg
½ tsp (3 g) table salt
¼ tsp (0.5 g) black pepper
1 tbsp (8 g) powdered sugar
raspberry jam for serving

Instructions

Preheat the oven to 350°F (175°C) and lightly grease a 9 x 13-inch (23 x 33 cm) casserole dish with nonstick cooking spray.
cooking spray
Cut the croissants into 1-inch (2.5 cm) pieces and arrange them evenly in the prepared dish. Scatter the diced ham over the top, then sprinkle with half of the Swiss cheese.
6 large (~300 g) croissants, 8 oz (225 g) diced ham, 8 oz (225 g) shredded Swiss cheese
In a medium bowl, whisk together the eggs, milk, Dijon mustard, nutmeg, salt, and pepper until fully combined. Pour the custard evenly over the croissants, pressing lightly so the bread begins to absorb the mixture. Top with the remaining Swiss cheese.
5 large eggs, 1 cup (240 ml) whole milk, 1 tbsp (15 ml) Dijon mustard, ¼ tsp (0.5 g) ground nutmeg, ½ tsp (3 g) table salt , ¼ tsp (0.5 g) black pepper
Bake for 45 to 50 minutes, until the casserole is golden brown and the center is set. Let it rest for 10 minutes before serving to allow the custard to firm up.
Lightly dust with powdered sugar just before serving and serve with raspberry jam.
1 tbsp (8 g) powdered sugar, raspberry jam

Notes

Croissants give this casserole a softer, layered texture compared to standard bread.
Leftover ham works well here, but diced ham steak can be used. Turkey or chicken can also be substituted.
Letting the casserole rest after baking helps it slice cleanly and hold together.
Raspberry jam can be served as-is or gently warmed for a looser, sauce-like consistency.

For optimal outcomes when preparing this Monte Cristo casserole, it's recommended to refer to the recipe details within the post. The recipe post commonly includes valuable notes, expert tips and frequently asked questions, that are not presented in the recipe card, often including how to make this recipe dairy-free, gluten free or vegan and ideas for healthy ingredient substitutions or variations.

The provided nutrition information is merely an approximation, as variations can arise depending on the specific ingredients/brands you select.

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Nutrition