Hands-on Time
20 Mins
Total Time
1 Hour 15 Mins
Makes 8 to 10 servings

This casserole is rich, delicious, and worthy of Christmas breakfast. Gruyère cheese browns beautifully and adds a nutty flavor to the dish. You can sub Swiss cheese if you prefer.

How to Make It

Step 1

Cook sausage 8 minutes in a skillet over medium-high heat, stirring to crumble. Toss together sausage, Parmesan, and next 3 ingredients; arrange in a 13- x 9-inch baking dish coated with cooking spray.

Step 2

Whisk together milk and next 2 ingredients; pour over sausage mixture. Cover and chill 8 hours.

Step 3

Preheat oven to 350°. Uncover casserole, and sprinkle with Gruyère. Bake 45 minutes or until golden. Let stand 10 minutes.

Ratings & Reviews


November 14, 2015
Woke up today and was craving a breakfast casserole bake like the one my mother usually makes Christmas morning. I substituted the Gruyère with swiss cheese and I did not let it sit for the 8 hours. I just prepped and baked with no issue, though I did let it bake for an additional 10 minutes. It was perfect and sooooooo delicious!

November 19, 2016
I don't care for Gruyere so my question was going to be:  DO I HAVE TO USE IT?..You pre-empted me, thanks so much for the info.

May 03, 2016
Buy them at the store already baked.  They soak up the liquid.

November 19, 2016
Don't use crescent rolls, which are entirely different.  Premade croissants is what you need.

December 18, 2015
Did you use canned raw croissants unbaked?

Peppygirl's Review

December 16, 2014
I made this for a December brunch, following the directions as written, and it received rave reviews. Along with the casserole, we served the grits in the same section of December 2014 magazine. We also served the Bananas Foster Coffee Cake with the fabulous sauce and ambrosia. Everyone just loved all of the dishes from Southern Living that we had ready for the brunch. This breakfast casserole would be wonderful Christmas morning. It is expensive but worth the extra cost.


October 29, 2017
I also cut milk back to 2 cups, perfect.  I topped with one cup Swiss cheese and 1 cup white American cheese, shredded.  Baked 27 min uncovered and the last 27 min covered.

LisaGvlSC's Review

December 25, 2014
Absolutely delicious AND easy. The best breakfast casserole I have ever made or eaten anywhere. Can't wait to make it again! I did sub-in swiss cheese for the gruyere, at less than half the cost.

Day ahead prep makes breakfast easy!

December 14, 2015
I like this recipe, day ahead prep makes breakfast easy.  I think using the croissants makes it taste a little on the sweet side, I will use canned biscuits next time! 


July 22, 2016