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Easy Baked Ham and Cheese Croissants with Dijon Glaze

Close-up of a baked ham and cheese croissant cut in half, showing melted cheese stretching out.

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You need a quick, satisfying meal that tastes like comfort food. These baked ham and cheese croissants use store-bought dough for flaky layers, savory ham, and gooey melted Swiss cheese. We add a simple Dijon glaze for a flavor kick. This recipe is ready fast, making it perfect for a busy breakfast, brunch, or simple dinner.

Ingredients

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  • 8 large pre-made, refrigerated croissants (crescent roll dough)
  • 8 slices deli ham
  • 8 slices Swiss cheese or Gruyère
  • 2 tablespoons Dijon mustard
  • 1 large egg, beaten (for egg wash)
  • 1 teaspoon water

Instructions

  1. Preheat your oven to 375°F (190°C). Line a baking sheet with parchment paper.
  2. Carefully unroll the croissant dough triangles onto a clean surface. Do not separate them into individual crescent shapes; keep them connected if possible, or arrange them side-by-side.
  3. Slice each large croissant horizontally to create a top and bottom half, like a sandwich.
  4. On the bottom half of each croissant, layer one slice of ham and one slice of cheese.
  5. Place the top half of the croissant over the filling. Gently press the edges together to seal the filling inside.
  6. In a small bowl, whisk together the beaten egg and 1 teaspoon of water to create the egg wash. Brush the tops of the assembled croissants lightly with the egg wash. This helps them brown.
  7. Bake for 12 to 15 minutes, or until the croissants are golden brown and the cheese inside is fully melted and gooey.
  8. While the croissants bake, mix the 2 tablespoons of Dijon mustard with 1 teaspoon of water to thin it slightly for drizzling.
  9. Remove the croissants from the oven. Immediately drizzle the thinned Dijon mustard mixture over the warm tops.
  10. Serve immediately for the best flaky texture and melty cheese.

Notes

  • For extra flavor, you can substitute Gruyère for Swiss cheese. Gruyère melts beautifully and adds a nutty depth.
  • If you want a crispier exterior, skip the egg wash and brush the tops with melted butter instead before baking.
  • This recipe works well as a quick dinner idea when paired with a simple side salad.

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