Turn your holiday leftovers into a show-stopping breakfast with this Holiday Ham Breakfast Casserole, inspired by the rich flavors of a Parisian Croque Monsieur. This recipe is the perfect way to use up leftover ham and croissants, creating a dish that feels indulgent yet comes together in just minutes. Picture layers of buttery croissants soaking up a creamy egg mixture, with savory ham and gooey melted cheese tucked between each bite. It’s a comforting, crowd-pleasing breakfast bake that’s as easy to make as it is elegant.
With just a few ingredients and minimal prep, you can whip up this casserole and let your oven do the work. Simply layer the ham and croissants, pour the egg mixture over the top, sprinkle on the cheese, and bake until golden and bubbly. It’s the kind of dish that feels special enough for holiday mornings but is simple enough to make when you’re craving a little extra magic in your everyday breakfast routine. One bite, and you’ll be transported to a cozy French café—without even leaving your kitchen!
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Equipment
- 1 Mixing Bowl
- 1 Wisk
- 1 Baking Dish
Ingredients
- 4 Large Croissants – Not Fresh
- 2 cups Left Over Holiday Ham Cut into small pieces
- 8 Large Eggs
- 1 3/4 Heavy Whipping Cream
- 2 tbsp Dijon Mustard
- 1 1/2 tsp Kosher Salt
- 1 tbsp Cracked Black Pepper
- 1 tbsp Fresh Thyme
- 2 cups Gruyere Any cheese will do!
Instructions
- Preheat oven to 325 degrees
- Cut croissants into 4 pieces and add to baking dish, cut side up
- Cut ham into small slices and cover croissants with ham
- Whisk together eggs, heavy cream, dijon and salt and pepper
- Pour egg mixture over the croissants and ham, followed by the cheese
- Wrap tightly with foil and bake for 45 minutes. Remove foil and broil on low for several minutes. Keep an eye on it as ovens vary.
