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Easy Cheesy Ham and Cheese Croissant Casserole

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A quick and comforting breakfast casserole featuring buttery croissants, savory ham, and melted cheese soaked in a creamy egg custard. Perfect for busy mornings or weekend brunches.

Ingredients

Scale
  • 6 large croissants, preferably day-old or slightly stale
  • 1 ½ cups diced cooked ham
  • 6 large eggs, room temperature
  • 2 cups whole milk
  • 1 tsp Dijon mustard
  • Salt and freshly ground black pepper, to taste
  • ¼ tsp garlic powder (optional)
  • 1 cup shredded sharp cheddar cheese
  • 1 cup shredded Swiss cheese
  • 2 green onions, thinly sliced (optional, for garnish)
  • Fresh parsley, chopped (optional, for garnish)

Instructions

  1. Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish with butter or non-stick spray.
  2. Tear the croissants into bite-sized pieces and place them in a large mixing bowl.
  3. Add the diced ham and half of the shredded cheddar and Swiss cheeses to the croissants and toss to combine.
  4. In another bowl, whisk together the eggs, milk, Dijon mustard, salt, pepper, and garlic powder until smooth and slightly frothy.
  5. Pour the custard evenly over the croissant mixture and gently press down with a spatula to help the croissants soak up the custard.
  6. Let the mixture rest at room temperature for 10-15 minutes to absorb the custard fully.
  7. Spread the mixture evenly in the prepared baking dish and sprinkle the remaining shredded cheese on top.
  8. Cover loosely with aluminum foil and bake for 30 minutes.
  9. Remove the foil and bake for an additional 15 minutes, or until the top is golden brown and the casserole is set (a knife inserted in the center should come out clean).
  10. Let the casserole cool for 5-10 minutes before slicing.
  11. Garnish with sliced green onions and fresh parsley if desired. Serve warm.

Notes

Use day-old croissants for best texture to avoid sogginess. Let the croissants soak in the custard for 10-15 minutes before baking. You can assemble the casserole the night before and refrigerate, adding 10-15 minutes to baking time. Substitute ham with cooked bacon or sausage, or use sautéed vegetables for a vegetarian version. If the top browns too quickly, tent with foil during baking.

Nutrition

Keywords: croissant casserole, ham and cheese casserole, breakfast casserole, cheesy breakfast, easy breakfast recipe, brunch casserole

Find it online: https://tessierecipes.com/easy-cheesy-ham-and-cheese-croissant-casserole-recipe-for-perfect-breakfast/