Ham Swiss Croissant Bake (Print Version)

Buttery croissants with smoky ham and melted Swiss cheese in a creamy custard bake, golden and savory.

# Components:

→ Bread & Dairy

01 - 4 large butter croissants (preferably day-old), cut into 2-inch pieces
02 - 2 cups shredded Swiss cheese
03 - 1.5 cups whole milk
04 - 0.5 cup heavy cream

→ Meats

05 - 8 oz cooked ham, diced

→ Vegetables & Aromatics

06 - 4 green onions, thinly sliced

→ Eggs & Seasoning

07 - 4 large eggs
08 - 0.5 teaspoon Dijon mustard
09 - 0.5 teaspoon freshly ground black pepper
10 - 0.25 teaspoon salt
11 - Pinch of ground nutmeg

→ Topping

12 - 2 tablespoons grated Parmesan cheese (optional)

# Directions:

01 - Preheat oven to 350°F. Grease a 9x13-inch baking dish with butter or nonstick spray.
02 - Arrange half of the croissant pieces evenly in the baking dish. Top with half of the ham, half of the Swiss cheese, and half of the green onions. Repeat with remaining croissants, ham, cheese, and green onions.
03 - In a large bowl, whisk together eggs, milk, cream, Dijon mustard, salt, pepper, and nutmeg until well combined.
04 - Pour the egg mixture evenly over the layered croissants and ham in the baking dish, pressing down gently to ensure proper soaking.
05 - Sprinkle with Parmesan cheese if desired.
06 - Bake uncovered for 30-35 minutes, or until the top is golden and the custard is set in the center.
07 - Allow to cool for 5-10 minutes before serving.

# Expert Advice:

01 -
  • Easy prep with just 15 minutes of hands-on time
  • Uses simple, everyday ingredients that come together beautifully
  • Perfect for using up day-old croissants
  • Feeds 6 people generously, making it ideal for family meals
  • Rich, savory flavors with French-inspired elegance
  • Can be customized with your favorite cheeses and add-ins
02 -
  • Use a 9x13-inch baking dish for even cooking and proper layering
  • Don't skip the nutmeg—it adds a subtle warmth that elevates the custard
  • Press the croissants gently into the custard to ensure they soak thoroughly
  • Check doneness by inserting a knife in the center; it should come out mostly clean
  • Let the bake rest before slicing for cleaner portions
  • Double-check ingredient labels if you have allergen concerns, especially for mustard
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