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fast Casserole is the perfect make-ahead Recipe

fast Casserole is the perfect make-ahead Recipe
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4.8 from 11 reviews

This Overnight Croissant Breakfast Casserole is a delightful and indulgent dish that combines buttery croissants, savory sausage, creamy eggs, and melty cheese. Perfect for holidays, brunch gatherings, or busy mornings, it’s a make-ahead recipe that ensures a warm and satisfying breakfast experience.

Ingredients

Croissant Base:

  • 5 large croissants (preferably day-old), torn into large chunks

Sausage Layer:

  • 1 lb (450g) ground sausage, cooked and drained

Cheese:

  • 1 cup (120g) shredded cheddar cheese

Egg Mixture:

  • 6 large eggs
  • 2 cups (475ml) whole milk
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon onion powder

Optional Garnish:

  • Fresh parsley, chopped (optional, for garnish)

Optional Add-Ins & Swaps:

  • Cooked turkey, chicken, or plant-based sausage
  • Swiss, Monterey Jack, or mozzarella cheese
  • Sautéed spinach, mushrooms, or bell peppers
  • Dash of hot sauce or red pepper flakes, for a spicy kick

Instructions

  1. Prepare the Base: Grease a 9×13-inch baking dish with cooking spray or butter. Layer torn croissants evenly in the dish. Sprinkle cooked sausage and shredded cheese over croissants.
  2. Make the Egg Mixture: In a large bowl, whisk together the eggs, milk, salt, pepper, garlic powder, and onion powder. Pour the mixture evenly over the croissant layers. Gently press down with a spatula to help the croissants soak up the custard.
  3. Refrigerate Overnight: Cover the dish with foil and refrigerate for at least 6 hours or overnight.
  4. Bake in the Morning: Preheat oven to 350°F (175°C). Uncover the casserole and bake for 40–45 minutes, or until golden brown and set in the center. Let cool for 10 minutes, then garnish with fresh parsley and serve warm.

Notes

  • Use day-old croissants for best texture—fresh ones may become soggy.
  • Let the casserole rest after baking to make slicing easier.
  • Broil for 1–2 minutes at the end if you like a crispier top.
  • This dish is freezer-friendly both before and after baking.

Nutrition

Find it online: https://cookedbysarah.com/fast-casserole-is-the-perfect-make-ahead-recipe/