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croissant sandwich with eggs, cheese, and ham

Croissant Breakfast Sandwiches

These Croissant Breakfast Sandwiches are loaded with ham, cheese, and creamy scrambled eggs then baked for a gooey, melty, crispy breakfast delight!
4.8 from 9 votes
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Prep Time: 20 minutes
Cook Time: 10 minutes
Total Time: 30 minutes
Servings: 6 sandwiches
Calories: 488kcal

Ingredients
 

For the sandwiches:

  • 8 large eggs
  • 1/4 cup milk
  • 1 Tablespoon butter
  • 1/4 cup shredded cheddar
  • Salt and pepper (to taste)
  • 6 thick slices ham (or 12 thin deli slices)
  • 6 thick slices Swiss cheese
  • 6 croissants

For the sauce:

  • 1/4 cup mayonnaise
  • 2 teaspoons whole grain mustard
  • 2 teaspoons honey
  • 1/4 teaspoon onion powder
  • Pepper (to taste)

Instructions

  • Preheat the oven to 350 degrees.
  • In a medium bowl, whisk together the eggs and milk.
  • Heat a non stick skillet over medium low heat. Melt the butter then add the egg mixture. Drag a spatula through the eggs as they cook, keeping them moving pretty continuously until curds start to form. When the eggs are in soft curds but still look a bit wet, remove from heat. Sprinkle with cheese and stir. Season to taste with salt and pepper.
  • Meanwhile, whisk together all of the sauce ingredients and set aside.
  • To assemble the sandwiches, layer the bottom half of the croissants with ham, cheese, and egg mixture. Slather the top half with the sauce and sandwich together.
  • Place on a baking sheet and bake for 8-10 minutes, or until cheese is melted and gooey. Serve warm.

Notes

  • To make ahead of time, stop after step 5 and wrap the sandwiches with foil or saran wrap. Sandwiches will keep in the fridge for about 4-5 days. Reheat in the oven for 15-20 minutes, the microwave (wrapped in a slightly damp paper towel) for 1 minute or the air fryer for 3-4 minutes.
  • If you prefer a softer sandwich, keep the croissant sandwiches wrapped in foil when baking.
Course Breakfast
Cuisine American
Keyword breakfast croissant sandwich, copy cat croissanwich, croissant breakfast sandwich, croissant egg sandwich, croissanwich recipe, ham and cheese croissant sandwich

Nutrition

Calories: 488kcal | Carbohydrates: 34g | Protein: 16g | Fat: 32g | Saturated Fat: 14g | Polyunsaturated Fat: 6g | Monounsaturated Fat: 9g | Trans Fat: 0.1g | Cholesterol: 309mg | Sodium: 493mg | Potassium: 200mg | Fiber: 2g | Sugar: 10g | Vitamin A: 996IU | Vitamin C: 0.2mg | Calcium: 120mg | Iron: 3mg
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