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Croissant Breakfast Sandwich with egg, breakfast sausage, cheese, avocado, and arugula.

Croissant Breakfast Sandwich

A recipe for a Croissant Breakfast Sandwich! These sandwiches are filled with egg, breakfast sausage, avocado, arugula, and a maple dijon mayonnaise for the perfect start to the day.
Course Breakfast
Cuisine N/A
Keyword breakfast, croissant, egg, sandwich, sausage
Prep Time 10 minutes
Cook Time 10 minutes
0 minutes
Total Time 20 minutes
Servings 4 Sandwiches


Maple Dijon Mayonnaise

  • 1/3 cup (75 grams) mayonnaise
  • 1/4 cup (60 milliliters) Dijon mustard
  • 1/4 cup (60 milliliters) maple syrup
  • Salt and freshly ground black pepper to taste

Croissant Breakfast Sandwiches:

  • 4 breakfast sausage patties or 8 mini patties
  • 4 large eggs
  • 2 tablespoons (30 milliliters) milk
  • Salt and freshly ground black pepper to taste
  • 1 tablespoon (15 milliliters) vegetable oil
  • 4 cheddar cheese slices
  • 2 avocados
  • 1 ounce (28 grams) arugula
  • 4 croissants


To make the Maple Dijon Mayonnaise:

  • In a medium bowl, whisk together the mayonnaise, Dijon mustard, and maple syrup until smooth. Season with a pinch of salt and freshly ground black pepper.
  • Cover and store in refrigerator until ready to serve.

To assemble the Croissant Breakfast Sandwich:

  • In a large skillet, cook the sausage patties over medium heat until golden brown on each side. Remove to a plate and set aside.
  • Place the skillet back over medium-low heat and drizzle with a thin layer of vegetable oil.
  • In a medium bowl, beat together the eggs with the milk until well combined. Season with a pinch of salt and pepper.
  • Pour 1/4 of the egg mixture into the hot pan in a thin layer and cook just until set. Fold the sides of the egg in towards the center to make a square shape. Remove the egg to a plate and repeat with remaining eggs.
  • Slice each croissant in half lengthwise and set the top aside.
  • Place a folded egg over the bottom half of the croissant. Top with a cooked sausage patty (or two if they are small), then a slice of the cheddar cheese.
  • Cover with a layer of avocado slices, then drizzle with desired amount of the maple dijon mayonnaise.
  • Finish with a handful of the arugula, add the top of the croissant, and repeat with remaining sandwiches.
  • Serve immediately.