Monte Cristo Breakfast Casserole Recipe brings sweet-salty comfort with custard-soaked brioche, layers of ham, turkey, and Swiss, and a golden top that loves a dusting of powdered sugar and a spoon of raspberry jam. It suits brunch lovers, holiday hosts, and busy mornings, with a total time of about 1 hour. I whipped it up after a late hockey practice, and my crew scraped the pan clean.
Why Monte Cristo Breakfast Casserole Recipe Is Worth It
Monte Cristo Breakfast Casserole Recipe gives you diner-level flavor with zero sandwich flipping. You pack the same classic combo of ham, turkey, Swiss, and custardy bread into one pan that feeds a crowd.
You can assemble it ahead, chill it, and bake when guests arrive. The bread soaks up the custard, the edges crisp, and the middle stays soft and custardy.
Ingredients You Need
- Brioche or challah, 1 large loaf, cut into 1-inch cubes (day-old works best; Texas toast also works)
- Deli ham, 8 ounces, thinly sliced (smoked or honey both fit)
- Deli turkey, 8 ounces, thinly sliced (roasted turkey tastes best here)
- Swiss cheese, 8 ounces, shredded or thinly sliced (Gruyère swaps in nicely)
- Eggs, 8 large
- Whole milk, 1.5 cups (or half-and-half for richer custard)
- Heavy cream, 0.5 cup (sub whole milk if you want it lighter)
- Dijon mustard, 2 tablespoons (Grey Poupon gives a sharp, clean bite)
- Maple syrup, 1 tablespoon (balances the salt; honey works too)
- Kosher salt, 1 teaspoon
- Black pepper, 0.5 teaspoon
- Ground nutmeg, 0.25 teaspoon (classic French toast vibe; optional)
- Unsalted butter, 2 tablespoons, melted (or spray for a lighter touch)
- Raspberry jam for serving (Bonne Maman or your favorite)
- Powdered sugar for dusting
- Optional add-ins: thin apple slices, caramelized onions, or a pinch of cayenne
Equipment:
- 9×13-inch baking dish
- Large mixing bowl and whisk
- Foil
- Cooling rack and sharp knife for slicing
Quick Tips & substitutions
- Use day-old bread so it drinks up custard without turning soggy.
- Lightly toast fresh bread cubes for 8 minutes at 325°F to dry them out.
- Whisk Dijon into the custard so you get gentle tang in every bite.
- Swap Swiss with Gruyère, provolone, or white cheddar for a bolder melt.
- Use just ham or just turkey if that’s what you have.
- Add a thin smear of jam between layers if you love sweet-salty contrast.
- Keep salt light; deli meat and cheese both bring salt.
- Let the baked casserole rest 10 minutes so slices hold their shape.
How to Make Monte Cristo Breakfast Casserole
- Prep: 20 minutes
- Cook: 40 minutes
- Total: 1 hour
- Heat oven to 350°F. Grease a 9×13-inch pan with butter or spray.
- Whisk eggs, milk, cream, Dijon, maple syrup, salt, pepper, and nutmeg in a large bowl until smooth.
- Add half the bread cubes to the pan. Layer half the ham, half the turkey, and half the Swiss. Repeat with remaining bread, meats, and cheese.
- Pour the custard evenly over the pan, pressing the top gently so bread contacts the liquid. Let it sit 10 minutes so the bread soaks.
- Cover with foil. Bake 25 minutes.
- Remove foil and bake 12 to 18 minutes more, until the top turns deep golden and the center doesn’t jiggle. If the top browns too fast, tent loosely with foil.
- Cool on a rack for 10 minutes. Dust with powdered sugar, slice, and serve with raspberry jam and warm maple syrup.
Make-ahead option: Assemble, cover, and refrigerate up to 12 hours. Bake straight from the fridge, adding 5 to 10 minutes.
Recipe Variations
- Gluten-free: Use sturdy gluten-free sandwich bread or brioche; toast cubes briefly to dry them.
- Dairy-free: Use almond or oat milk and a rich dairy-free creamer; swap Swiss with a meltable plant-based cheese.
- Egg-free: Use a plant-based egg substitute that thickens well and follow the same custard ratio.
- Low carb: Use low-carb bread and reduce maple to 1 teaspoon; go heavier on turkey and Swiss.
- Add-ins: Slip in caramelized onions, thin apple slices, or a light smear of Dijon between layers for extra zing.
Ways to Serve Monte Cristo Breakfast Casserole
- Dust with powdered sugar and spoon raspberry or strawberry jam on the side.
- Serve with warm maple syrup or a drizzle of hot honey for sweet heat.
- Add a simple arugula salad with lemon to cut the richness.
- Pair with crispy breakfast potatoes or a fruit salad.
- Pour strong coffee or a citrusy spritz to balance the savory notes.
Storage
Cool leftovers completely, then cover and refrigerate for up to 4 days. Reheat slices in a 325°F oven for 12 to 15 minutes, or air fry at 320°F for 5 to 7 minutes. Freeze tightly wrapped portions for up to 2 months, then thaw overnight in the fridge and reheat until hot. Add fresh powdered sugar and jam after reheating so the top stays crisp.

Monte Cristo Breakfast Casserole Recipe
Ingredients
Instructions
- Preheat the oven to 350°F (175°C). Grease a 9x13-inch baking dish.
- Layer half of the bread cubes in the bottom of the dish. Evenly distribute the diced ham, turkey, and 1 cup of Swiss cheese over the bread.
- Top with the remaining bread cubes and sprinkle the rest of the cheese over the top.
- In a large bowl, whisk together eggs, milk, heavy cream, Dijon mustard, salt, and pepper until well blended.
- Pour the egg mixture evenly over the casserole. Lightly press the bread down to soak.
- Cover and refrigerate for at least 30 minutes, or up to overnight for best flavor.
- Remove from refrigerator and bake uncovered for 40-45 minutes, or until golden and set in the middle.
- Cool slightly, dust with powdered sugar if desired. Serve warm with raspberry jam.