These Killer Maple Mustard Croissant Breakfast Sandwiches are the ultimate morning indulgence! Featuring flaky, buttery croissants filled with crispy bacon or sausage, fluffy eggs, melted cheese, and a sweet-savory maple mustard sauce, this sandwich takes breakfast to a whole new level. Perfect for busy mornings, brunch gatherings, or meal prep, this sandwich will leave you craving more.
Why You’ll Love This Recipe
- Sweet & Savory Perfection – The maple mustard sauce adds a unique flavor twist.
- Crispy, Flaky Croissant – Buttery and golden, it makes the perfect sandwich base.
- Easy & Quick – Ready in under 20 minutes!
- Customizable – Swap ingredients to fit your taste.
- Great for Meal Prep – Make ahead and reheat for a grab-and-go breakfast.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
For the Maple Mustard Sauce:
- Maple syrup
- Dijon mustard
- Mayonnaise
- A pinch of salt
For the Sandwiches:
- Croissants, halved
- Eggs
- Milk or cream
- Bacon or sausage patties
- Slices of cheddar, Swiss, or gouda cheese
- Butter
- Salt and black pepper
Directions

Step 1: Make the Maple Mustard Sauce
- Mix the Sauce – In a small bowl, whisk together maple syrup, Dijon mustard, mayo, and a pinch of salt. Set aside.
Step 2: Cook the Eggs & Meat
- Cook the Bacon or Sausage – Fry bacon until crispy or cook sausage patties in a skillet. Set aside.
- Scramble the Eggs – In a bowl, whisk eggs with milk, salt, and pepper. Melt butter in a pan over medium heat and cook eggs until fluffy.
Step 3: Assemble the Sandwiches
- Toast the Croissants – Lightly toast the croissant halves in a pan or oven until warm and slightly crispy.
- Layer the Ingredients – Spread maple mustard sauce on the bottom half of each croissant. Layer with a slice of cheese, cooked bacon or sausage, scrambled eggs, and the croissant top.
Step 4: Serve & Enjoy
- Melt the Cheese – If desired, place the assembled sandwiches in a warm oven for a few minutes to melt the cheese.
- Serve Immediately – Enjoy warm with coffee or fresh fruit.
Servings and Timing
- Servings: 4
- Prep Time: 5 minutes
- Cook Time: 10 minutes
- Total Time: 15 minutes
Variations
- Spicy Kick – Add a dash of hot sauce or sriracha to the maple mustard.
- Extra Protein – Add turkey or ham along with the bacon or sausage.
- Veggie Version – Use sautéed mushrooms, spinach, or avocado instead of meat.
- Different Cheeses – Try pepper jack, brie, or provolone for a unique twist.
- Make It a Meal – Serve with hash browns or a side of fresh fruit.
Storage/Reheating
- Refrigeration: Store sandwiches in an airtight container for up to 3 days.
- Freezing: Wrap individually in foil and freeze for up to 1 month.
- Reheating: Warm in a 350°F (175°C) oven for 10 minutes or microwave for 30-60 seconds.
FAQs
Can I use store-bought croissants?
Yes! Fresh bakery croissants work best, but store-bought is fine.
What’s the best cheese for this sandwich?
Cheddar, Swiss, or gouda melt beautifully and add great flavor.
Can I use turkey bacon or plant-based sausage?
Absolutely! It’s an easy swap for a healthier option.
How do I keep the croissants from getting soggy?
Toast them lightly before assembling, and avoid overloading with sauce.
Can I make these ahead of time?
Yes! Assemble and store them in the fridge or freezer, then reheat when ready.
Can I make this sandwich without eggs?
Yes! You can replace the eggs with avocado or an extra layer of cheese.
Is this sandwich good for meal prep?
Yes! Make a batch and store for easy weekday breakfasts.
Can I use honey instead of maple syrup?
Yes, honey works well for a slightly different sweetness.
What sides go well with this sandwich?
Hash browns, fruit salad, or a smoothie complement it perfectly.
Can I grill these instead of baking?
Yes! Use a panini press or grill pan for a crispy, melty sandwich.
Conclusion
These Killer Maple Mustard Croissant Breakfast Sandwiches are the ultimate combination of sweet, savory, and buttery flavors. Whether you’re making them for a weekend brunch or prepping them for busy mornings, they’re an easy and delicious way to start your day. Give them a try, and enjoy breakfast like never before!
PrintKiller Maple Mustard Croissant Breakfast Sandwiches
Flaky buttery croissants are layered with crispy bacon, fluffy eggs, melted cheese, and a killer maple mustard sauce for the ultimate breakfast sandwich. Sweet, savory, and totally satisfying!
- Prep Time: 5 minutes
- Cook Time: 15 minutes
- Total Time: 20 minutes
- Yield: 4 sandwiches 1x
- Category: Breakfast, Brunch
- Method: Stovetop, Baking
- Cuisine: American
Ingredients
For the Maple Mustard Sauce:
- 2 tablespoons maple syrup
- 1 tablespoon Dijon mustard
- 1 tablespoon mayonnaise
- ½ teaspoon hot sauce (optional, for a kick)
For the Sandwiches:
- 4 croissants, sliced in half
- 8 slices bacon (or breakfast sausage)
- 4 large eggs
- ¼ cup milk
- 1 tablespoon butter
- Salt & black pepper, to taste
- 4 slices cheese (cheddar, Swiss, or pepper jack)
Instructions
Step 1: Make the Maple Mustard Sauce
- In a small bowl, whisk together maple syrup, Dijon mustard, mayo, and hot sauce until smooth. Set aside.
Step 2: Cook the Bacon & Eggs
- Cook bacon in a skillet over medium heat until crispy. Drain on paper towels.
- In a bowl, whisk together eggs, milk, salt, and pepper.
- Melt butter in a skillet over medium-low heat, then pour in the eggs. Scramble gently until soft and fluffy.
Step 3: Assemble the Sandwiches
- Spread maple mustard sauce on both halves of each croissant.
- Layer with cheese, scrambled eggs, and bacon.
- Close the croissant and toast lightly in a pan or air fryer at 350°F (175°C) for 3-5 minutes until warm and crispy.
Step 4: Serve & Enjoy!
- Serve immediately with extra maple mustard sauce on the side!
Notes
- Want it extra melty? Toast the sandwich open-faced before closing it.
- Spicy Kick? Add sriracha or jalapeños to the sauce!
- Make-Ahead Option: Wrap sandwiches in foil and reheat in the oven at 350°F for 10 minutes.