Irresistible Croissant Bake Recipe | Cheesy Comfort Food Casserole

Golden croissant bake with melted cheese served warm in a rustic casserole dish.
Buttery croissants baked with eggs and cheese — the perfect comfort food for any occasion!
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Golden croissant bake with melted cheese served warm in a rustic casserole dish.

Irresistible Croissant Bake Recipe | Cheesy Comfort Food Casserole

Make this irresistible croissant bake for the ultimate comfort food. Buttery croissants layered with eggs and cheese, baked to golden perfection — a cozy casserole perfect for brunch, holidays, or family gatherings.
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Prep Time 20 minutes
Total Time 1 hour 15 minutes
Course Breakfast, Brunch, Comfort food casserole
Cuisine American / Comfort Food, French-inspired
Servings 10
Calories 320 kcal

Equipment

  • 9x13-inch baking dish (ceramic or glass)
  • Mixing bowls
  • Whisk
  • Measuring Cups and Spoons
  • Serrated knife (for slicing croissants)
  • Aluminum foil (for covering during baking)
  • Cooling rack

Ingredients
  

  • 6–8 large croissants (day-old preferred), sliced or torn
  • 6 large eggs
  • 2 cups whole milk (or half-and-half for richer custard)
  • 1 cup shredded cheese (Gruyère, cheddar, or mozzarella for savory)
  • 1 cup cooked ham or bacon, chopped (optional for savory)
  • ½ cup sugar (for sweet version)
  • 1 tsp vanilla extract (for sweet version)
  • ½ tsp salt
  • ¼ tsp black pepper (savory version)
  • 1 tsp cinnamon (optional for sweet version)
  • Fresh herbs or powdered sugar for garnish

Instructions
 

  • Prep: Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish.
  • Layer: Arrange half of the croissant pieces in the dish. Add fillings (savory: ham, cheese; sweet: chocolate chips, berries). Top with remaining croissants.
  • Custard: In a bowl, whisk eggs, milk, and seasonings (savory: salt, pepper, nutmeg; sweet: sugar, vanilla, cinnamon).
  • Pour: Slowly pour custard over croissants, pressing gently to help absorption.
  • Rest: Chill for 30 minutes or overnight for deeper flavor.
  • Bake (covered): Cover with foil and bake 25–30 minutes.
  • Bake (uncovered): Remove foil and bake another 15–20 minutes until golden and custard is set.
  • Serve: Rest 10 minutes before slicing. Garnish with herbs (savory) or powdered sugar (sweet).

Notes

  • Make-ahead: Assemble the bake the night before; refrigerate and bake in the morning.
  • Freezing: Freeze unbaked casserole up to 1 month; thaw overnight before baking.
  • Variations:
    • Savory: Ham & Gruyère, spinach & feta, bacon & cheddar.
    • Sweet: Chocolate & berry, almond & raspberry, pumpkin spice.
  • Storage: Refrigerate leftovers up to 3 days. Reheat in oven at 325°F for best texture.
  • Serving ideas: Pair with fruit salad, coffee, or mimosas for brunch.
Keyword brunch bake, chocolate croissant bake, Comfort Food, croissant bake, croissant casserole, ham and cheese croissant bake, overnight croissant casserole