Start your day with these irresistible Croissant Breakfast Sandwiches—flaky, golden croissants loaded with protein-rich eggs, savory ham, and melty cheese.
This hearty breakfast delivers a balance of good fats, protein, and fiber to keep you full and energized.
Quick to assemble and bake, it’s perfect for busy mornings, meal prep, or a satisfying weekend brunch with minimal effort.

25-Minute Croissant Breakfast Sandwiches
Equipment
- 1 Oven (preheated to 350°F / 175°C)
- 1 Baking Sheet
- 1 small bowl
- 1 Whisk
- 1 Pan for cooking eggs
- Aluminum foil for wrapping
Ingredients
For Sandwiches:
- 4 croissants halved
- 6 large eggs scrambled
- 20 slices honey ham
- 4 slices American cheese
For Glaze:
- 2 tbsp unsalted butter
- 1 tbsp brown sugar
- 1 tsp mustard
Instructions
- Preheat Your Oven: Begin by preheating your oven to 350°F (175°C). This ensures that when your sandwiches are ready to bake, the heat is even, and the cheese melts perfectly while the croissants turn golden and flaky. Line a baking sheet with parchment paper or lightly grease it to prevent sticking and make cleanup easier.
- Prepare the Eggs: In a medium-sized skillet, crack all six eggs and whisk them thoroughly until the yolks and whites are completely combined. Cook the eggs over medium heat, stirring gently, until they reach your desired consistency—soft and creamy, or fully set. Once cooked, transfer them to a plate and set aside. This allows the eggs to cool slightly and prevents them from overcooking later in the oven.
- Slice the Croissants: Carefully slice each croissant in half horizontally using a serrated knife. Take your time to avoid crushing the delicate layers. Set the bottom and top halves aside separately so they’re ready for assembly.
- Make the Sweet & Tangy Glaze: In a small bowl, melt 2 tablespoons of butter until fully liquid. Add 1 tablespoon of brown sugar and stir until the sugar completely dissolves. Next, mix in 1 teaspoon of mustard. The combination of butter, brown sugar, and mustard creates a subtle sweet-and-savory glaze that adds depth to each bite.
- Brush the Croissants: Using a pastry brush or the back of a spoon, generously brush the glaze onto the cut side of each bottom croissant half. This step infuses the bread with flavor and helps create a slightly caramelized texture when baked.
- Layer the Ham: Place 4–5 slices of honey ham evenly across each glazed bottom croissant. Ensure the ham covers most of the surface so every bite has that rich, savory flavor. The ham adds protein and a satisfying, meaty texture.
- Add the Cheese: Next, place one slice of American cheese on top of the ham for each sandwich. The cheese melts beautifully in the oven, binding the layers together and adding creamy richness. You can also slightly overlap the edges to ensure maximum coverage.
- Top with Scrambled Eggs: Divide the scrambled eggs into four equal portions and gently spoon each portion on top of the cheese. Spread the eggs evenly so that each sandwich is balanced with a generous layer of protein-rich eggs.
- Assemble the Sandwich: Carefully place the top halves of the croissants over the layered bottoms, gently pressing down to slightly compress the sandwich without squashing it. This keeps the croissant’s flaky layers intact while holding all the fillings together.
- Wrap in Foil: Wrap each sandwich individually in aluminum foil. This step ensures the sandwiches retain moisture and heat evenly while baking. The foil also makes them convenient for transport or reheating later.
- Bake Until Golden and Melty: Place the foil-wrapped sandwiches on the prepared baking sheet and bake in the preheated oven for 10–15 minutes. The cheese should be fully melted, and the croissants should develop a light golden crust. Check carefully to avoid overbaking.
- Serve and Enjoy: Remove the sandwiches from the oven and allow them to cool for 1–2 minutes before unwrapping. This short rest lets the cheese set slightly while still warm and melty. Serve immediately for a hearty, protein-packed breakfast that’s both comforting and satisfying.
Notes
- Use fresh croissants for best results; day-old croissants can be lightly toasted before assembling.
- Adjust the number of eggs or ham slices to suit your protein preference.
- The sweet-and-tangy glaze is optional but adds a delicious depth of flavor.
- Wrap sandwiches tightly in foil for even baking and easier handling.
- This recipe can easily be doubled or tripled for meal prep or larger gatherings.
Chef’s Secrets For Perfect Croissants
For the flakiest, most flavorful croissant sandwiches, start with high-quality, fresh croissants.
Avoid overly dense or pre-sliced store varieties, as they may not hold the layers as well.
When cooking the eggs, aim for a creamy texture; slightly undercooked eggs will finish cooking in the oven, ensuring they remain tender.
Brushing the croissants with the butter-brown sugar glaze not only adds a subtle sweetness but also encourages a golden crust.
Finally, wrapping the sandwiches in foil helps the cheese melt uniformly while keeping the croissant moist and flaky—this is a small trick that makes a huge difference in the final result.
Serving Suggestions For Croissant Sandwiches
These sandwiches are perfect for breakfast or brunch and pair beautifully with a variety of sides.
Consider serving with a fresh fruit salad, roasted potatoes, or a simple mixed greens salad dressed lightly with vinaigrette.
For a cozy weekend brunch, pair with a hot cup of coffee or a refreshing mimosa.
They also work well as a grab-and-go option, so consider serving them with a side of Greek yogurt or a smoothie for a complete, nutrient-rich breakfast.
Garnish with fresh herbs, such as parsley or chives, for a pop of color and extra flavor.
Storage Tips For Meal Prep
If you want to prepare these sandwiches ahead of time, store them in an airtight container in the refrigerator for up to 2–3 days.
Keep them wrapped individually in foil to retain moisture and prevent the croissants from drying out.
To reheat, place the foil-wrapped sandwich in a preheated oven at 350°F (175°C) for 10–12 minutes, or until the cheese is melty and the croissant is crisp.
For longer storage, you can freeze the sandwiches for up to 1 month.
Thaw overnight in the refrigerator before reheating using the same method.
Avoid microwaving if possible, as this can make the croissant soggy.
Frequently Asked Questions
1. Can I use whole wheat croissants?
Yes! Whole wheat or multigrain croissants can be used for a slightly nuttier flavor and added fiber.
Keep in mind that they may be a little denser than classic butter croissants, so adjust the baking time slightly to ensure the cheese melts evenly.
2. Can I make these sandwiches vegetarian?
Absolutely! Replace the ham with sautéed vegetables, like mushrooms, spinach, or roasted bell peppers.
You can also add a vegetarian-friendly cheese to maintain richness while keeping the dish protein-packed.
3. Can I prepare these sandwiches ahead of time?
Yes, these sandwiches are excellent for meal prep. Assemble them, wrap individually in foil, and store in the refrigerator for up to 2–3 days or freeze for up to a month.
Bake directly from the refrigerator or thawed state for best results.
4. How do I make the eggs extra fluffy?
Whisk the eggs thoroughly before cooking and cook over medium-low heat while stirring gently.
Adding a small splash of milk or cream can also increase fluffiness. Remove slightly undercooked eggs from the pan, as they will finish cooking in the oven inside the sandwich.
5. Can I use a different cheese type?
Yes, you can substitute American cheese with cheddar, Swiss, mozzarella, or pepper jack for different flavors.
Just ensure the cheese melts well to hold the sandwich layers together. Stronger cheeses may require slightly shorter baking times to avoid overpowering the other flavors.