A classic French breakfast sandwich featuring crispy bread, creamy béchamel sauce, melted Gruyère cheese, smoky ham, and a perfectly runny sunny-side-up egg on top. This recipe is quick, easy, and perfect for a comforting brunch.
If béchamel is too thick, whisk in a splash of warm milk before spreading. Press down gently on the sandwich while cooking for a crisper crust. Cook the egg on low heat to keep yolk runny. Watch broiler carefully to avoid burning cheese topping. For gluten-free, use gluten-free bread and flour substitutes. Vegetarian version swaps ham for mushrooms or caramelized onions.
Keywords: Croque Madame, French breakfast, béchamel sauce, brunch recipe, crispy sandwich, sunny-side-up egg, ham and cheese sandwich