This Croque Monsieur Croissant Bake is a rich, savoury breakfast casserole with buttery croissants, ham, melty cheese, and creamy béchamel. Perfect for brunch, holidays, or weekend mornings with the family.
In a saucepan, melt butter over medium heat. Stir in flour and cook 1 minute. Slowly whisk in milk. Cook until thickened, then add Dijon, salt, pepper, and nutmeg.
Assemble the Bake:
Preheat oven to 375°F (190°C). Grease a baking dish. Layer croissant halves, ham, and shredded cheese. Pour béchamel sauce evenly over the layers.
Add Topping & Bake:
Sprinkle with Parmesan. Cover with foil and bake for 25 minutes. Uncover and bake another 10–15 minutes until golden and bubbly.
Notes
Make Ahead: Assemble the casserole the night before and refrigerate. Bake in the morning.Customizing: Add sautéed mushrooms or spinach for extra flavour.Serving Suggestions: Serve warm with a side salad or fresh fruit.Storage Tips: Store leftovers in the fridge for up to 3 days. Reheat in the oven or microwave.
Keyword croissant casserole, croque monsieur bake, easy holiday breakfast, ham and cheese casserole