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Sausage Egg and Cheese Croissant Bake

sausage egg and cheese croissant bake - featured image

This cozy brunch casserole features buttery croissants, savory breakfast sausage, fluffy eggs, and melty cheddar cheese baked together for a comforting, crowd-pleasing dish. Perfect for holiday mornings, potlucks, or lazy weekends, it’s easy to prep ahead and endlessly adaptable.

Ingredients

Scale
  • 68 medium croissants (about 14 oz), preferably day-old, cut into 1-inch pieces
  • 1 lb breakfast sausage, cooked and crumbled
  • 6 large eggs, room temperature
  • 1 1/2 cups whole milk
  • 1 1/2 cups shredded cheddar cheese
  • 2 green onions, thinly sliced (optional)
  • 1/2 tsp salt
  • 1/4 tsp black pepper
  • 2 tbsp fresh parsley, chopped (optional, for garnish)
  • 1 tbsp butter, melted (for brushing top)

Instructions

  1. Preheat oven to 350°F (175°C). Butter a 9×13-inch baking dish.
  2. In a skillet over medium heat, cook and crumble sausage until browned and fully cooked (about 8 minutes). Drain excess fat.
  3. Cut croissants into 1-inch pieces.
  4. Scatter croissant pieces evenly in the prepared baking dish.
  5. Sprinkle cooked sausage and shredded cheddar cheese over croissants. Add green onions or extra veggies if desired.
  6. In a large mixing bowl, whisk together eggs, milk, salt, and pepper until smooth and slightly frothy (about 1 minute).
  7. Slowly pour egg mixture over the layered croissants, sausage, and cheese. Press down gently with a spatula to soak evenly.
  8. Let the bake sit for 10 minutes so croissants absorb the custard. (For overnight prep, cover and refrigerate at this point; add 5 extra minutes to bake time in the morning.)
  9. Brush the top with melted butter.
  10. Bake uncovered for 30-35 minutes, until golden brown and set in the center. If browning too quickly, cover with foil for the last 10 minutes.
  11. Check doneness: edges should be browned and center just set. If still jiggly, bake in 5-minute intervals.
  12. Let rest for 10 minutes before slicing.
  13. Garnish with fresh parsley or extra cheese, slice into squares, and serve warm.

Notes

Use day-old or lightly toasted croissants for best texture. For gluten-free, substitute with gluten-free bread or rolls. Dairy-free versions work with plant-based milk and cheese. Add veggies like spinach, bell peppers, or mushrooms for extra nutrition. Can be assembled the night before and baked in the morning. Leftovers reheat well and taste even better the next day.

Nutrition

Keywords: sausage egg cheese bake, croissant casserole, brunch recipe, breakfast casserole, easy brunch, comfort food, make ahead breakfast, holiday breakfast