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Overnight Croissant Breakfast Casserole

Overnight Croissant Breakfast Casserole – Easy Holiday Brunch Recipe


  • Author: Freya Allen
  • Total Time: 50 minutes
  • Yield: 8 servings 1x
  • Diet: Standard

Description

This Overnight Croissant Breakfast Casserole is a crowd‑pleasing make‑ahead brunch recipe that layers flaky croissant pieces with a silky custard made from eggs, milk and grape juice. Smoked beef adds savory depth while shredded cheese creates a golden melt. Ready to bake in the morning, it delivers a buttery, custardy breakfast that’s perfect for holidays, weekend gatherings or any time you want a satisfying, warm start to the day.


Ingredients

Scale
  • 6 large croissants, torn into pieces
  • 6 large eggs
  • 2 cups milk
  • 1 cup grape juice
  • 1 teaspoon vanilla extract
  • 1 cup shredded cheese
  • 1 cup smoked beef, cooked and crumbled
  • 1/2 teaspoon salt
  • 1/4 teaspoon ground cinnamon

Instructions

  1. Preheat oven to 350°F (175°C).
  2. Whisk eggs, milk, grape juice, vanilla extract, salt, and cinnamon together.
  3. Grease baking dish and layer torn croissant pieces, then smoked beef and shredded cheese.
  4. Pour custard mixture over layers, ensuring even soaking.
  5. Cover and refrigerate overnight.
  6. Bake uncovered for 30‑35 minutes until golden and set. Let cool slightly before serving.

Notes

  • For best results use day‑old croissants and allow the casserole to rest at room temperature before baking. If the top browns too quickly
  • cover loosely with foil.
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice
  • Calories: 350
  • Sugar: 2g
  • Sodium: 300mg
  • Fat: 20g
  • Saturated Fat: 8g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 25g
  • Fiber: 1g
  • Protein: 12g
  • Cholesterol: 150mg

Keywords: Overnight Croissant Breakfast Casserole, easy brunch recipe, make ahead breakfast, croissant casserole, holiday brunch ideas, breakfast casserole recipe, quick breakfast casserole, savory breakfast bake, breakfast for a crowd, breakfast casserole with croissants