Monte Cristo Breakfast Casserole recipe
The Monte Cristo Breakfast Casserole is a delicious, fun twist on the classic sandwich you’ll love for breakfast or brunch. It’s packed with layers of bread, ham, melted cheese, and…
Tip: save now, cook later.The Monte Cristo Breakfast Casserole is a delicious, fun twist on the classic sandwich you’ll love for breakfast or brunch. It’s packed with layers of bread, ham, melted cheese, and eggs all baked together until golden and bubbly. The hints of sweet from the raspberry or strawberry jam mixed with a touch of savory bacon or ham make every bite feel like a mini celebration.
I love making this casserole when I have friends or family over because it’s super easy to prep ahead of time and then bake fresh in the morning. It’s like having a fancy breakfast without the fuss. One of my favorite tips is to sprinkle a little powdered sugar on top when serving—it adds just the right amount of sweetness to bring out those yummy flavors even more.
This dish always reminds me of cozy weekend mornings when everyone gathers around the table, sharing stories and passing around plates. I like serving it with fresh fruit on the side and a drizzle of maple syrup for anyone who wants a little extra sweetness. It’s a real crowd-pleaser and always makes mornings feel special and bright.
Key Ingredients & Substitutions
Bread: White sandwich bread works best because it soaks up the egg mixture without falling apart. If you prefer, brioche or challah add a rich flavor too. Whole wheat can be used but may change the texture slightly.
Ham: Sliced cooked ham adds savory, salty notes. You can swap it for turkey or cooked bacon if you want a different protein or a lower sodium option.
Swiss Cheese: Swiss melts beautifully and adds mild nuttiness. Gruyère is a great alternative. Mozzarella or cheddar can work but will give a different taste.
Egg Mixture: Whole milk keeps the casserole creamy and custard-like. For a lighter dish, try a mix of milk and half-and-half or use a dairy-free milk substitute.
Dijon Mustard & Sugar: The mustard adds subtle tang, balancing the sweetness from the sugar. If you don’t have Dijon, yellow mustard or spicy brown will work.
Topping Cheese: More Swiss or Gruyère on top creates a nice crust. Feel free to use Parmesan or a blend of cheeses you enjoy.
How Can I Make Sure the Bread Absorbs the Egg Mixture Without Getting Soggy?
Getting the bread just right is key here! Here’s what I do:
- Flatten the bread slices gently before layering so they soak the egg evenly without falling apart.
- After pouring the egg mixture, press down lightly with a spatula to help the liquid seep into the bread layers.
- Letting the casserole sit for 10-15 minutes before baking can improve absorption, but don’t wait too long or it may become soggy.
- Baking covered at first helps the filling set, while uncovering later crisps the top and edges nicely.
Following these steps gives you a nicely custardy yet firm casserole without mushy spots.
Equipment You’ll Need
- 9×13-inch baking dish – this size holds the casserole perfectly and helps it bake evenly.
- Mixing bowl – to whisk the eggs, milk, and seasonings together smoothly.
- Whisk – makes mixing the egg mixture quick and lump-free.
- Rolling pin (optional) – helps flatten the bread slices for better egg absorption.
- Spatula – useful for pressing down the casserole layers and serving portions easily.
Flavor Variations & Add-Ins
- Swap ham for cooked turkey or bacon for a different savory twist you might like.
- Add sautéed mushrooms or spinach for extra veggies and a boost of flavor.
- Try cheddar or fontina cheese instead of Swiss for a sharper or creamier taste.
- Mix a pinch of nutmeg or smoked paprika into the egg mixture for a warm or smoky note.
How to Make Monte Cristo Breakfast Casserole
Ingredients You’ll Need:
Main Ingredients:
- 8 slices white sandwich bread, crusts removed
- 8 oz sliced cooked ham
- 8 oz sliced Swiss cheese
- 8 large eggs
- 2 cups whole milk
- 1 teaspoon Dijon mustard
- 1 tablespoon sugar
- ½ teaspoon salt
- ¼ teaspoon black pepper
For the Topping and Preparation:
- 1 cup shredded Swiss or Gruyère cheese (for topping)
- Butter or non-stick spray, for greasing the baking dish
- Optional garnish: fresh thyme sprigs
- Optional serving: powdered sugar and raspberry or strawberry jam
Time You’ll Need:
This casserole takes about 15 minutes to prepare and around 45-50 minutes to bake, including resting time after baking. Total time is roughly 1 hour.
Step-by-Step Instructions:
1. Prepare Your Baking Dish and Bread:
Preheat your oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish with butter or non-stick spray. Flatten the slices of bread slightly using a rolling pin or your hands to help them soak up the egg mixture better.
2. Assemble the Sandwich Layers:
Place half of the bread slices in an even layer at the bottom of the baking dish. Add a layer of sliced ham evenly over the bread, then add a layer of Swiss cheese. Top with the remaining bread slices, making a sandwich-style layer.
3. Make the Egg Mixture and Pour:
In a large bowl, whisk together the eggs, milk, Dijon mustard, sugar, salt, and black pepper until smooth. Pour this egg mixture evenly over the layered bread, ham, and cheese. Use a spatula to press gently so the bread absorbs the mixture well.
4. Add Cheese and Bake:
Sprinkle the shredded Swiss or Gruyère cheese on top. Cover the dish loosely with foil and bake for 25 minutes. Then remove the foil and bake for another 20-25 minutes until the casserole is set and the top is golden brown and bubbly.
5. Cool and Serve:
Let the casserole cool for 5-10 minutes before serving. Garnish with fresh thyme sprigs if you like. Serve warm, and if you want a sweet touch, dust it with powdered sugar and offer raspberry or strawberry jam for dipping.
Can I Make This Casserole Ahead of Time?
Yes! Assemble the casserole the night before, cover it tightly, and refrigerate. In the morning, bake it straight from the fridge—just add an extra 10-15 minutes to the baking time.
Can I Use Different Types of Bread?
Absolutely! Brioche or challah work wonderfully for a richer flavor, while whole wheat bread can be used for a healthier twist. Just make sure the bread slices aren’t too thick so they soak up the egg mixture well.
How Should I Store Leftovers?
Store any leftovers in an airtight container in the fridge for up to 3 days. Reheat gently in the oven or microwave to preserve the creamy texture.
Is There a Substitute for Ham?
You can swap ham with cooked turkey, bacon, or even sautéed mushrooms for a vegetarian version. Adjust the seasoning to suit your choice!