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Croissant Breakfast Casserole

Croissant Breakfast Casserole Plated

Looking for a brunch recipe for a crowd? This croissant breakfast casserole will be a big hit!

With Easter and Mother's Day just around the corner, you can make it ahead of time and bake it before company comes.

If you can start it the night before, you’ll benefit from it sitting around overnight so the croissants can absorb the liquid. Serves 8.

  • 1 pound croissants (about 5 to 7), split in half lengthwise

  • 1 tablespoon extra-virgin olive oil, more for baking dish

  • 1 bunch scallions (6 to 7), white and light green parts thinly sliced, greens reserved

  • ¾ pound sweet Italian sausage, casings removed

  • 2 teaspoons finely chopped fresh sage

  • 8 large eggs

  • 3 cups whole milk

  • 1 cup heavy cream

  • 8 ounces Gruyère, grated (2 cups)

  • 1 ¼ teaspoons kosher salt

  • 1 teaspoon black pepper

Croissants for Croissant Breakfast Casserole

Heat oven to 500°.

Spread croissants on a large baking sheet and toast, cut side up, until golden brown, 5 to 10 minutes (watch very carefully to see that they do not burn). Let cool, then tear into large bite-size pieces.

In a medium sauté pan over medium-high heat, warm the olive oil. Add sliced scallions and sausage meat; cook, breaking up meat with a fork, until mixture is well browned, about 5 minutes. Stir in sage, and remove from heat.

Sausage for Croissant Breakfast Casserole

In a large bowl, toss together croissants and sausage mixture. In a separate bowl, whisk together eggs, milk, cream, 1 1/2 cups cheese, salt and pepper.

Croissant Breakfast Casserole Before Baking

Lightly oil a 9- x 13-inch baking dish. Turn croissant mixture into pan, spreading it out evenly over the bottom. Pour custard into pan, pressing croissants down gently to help absorb the liquid. Cover pan with plastic wrap and refrigerate at least 4 hours or overnight.

When you’re ready to bake the casserole, heat oven to 350°.

Scatter the remaining grated cheese over the top of the casserole. Transfer to oven and bake until casserole is golden brown and firm to the touch, 45 minutes. Let stand 10 minutes. Garnish with sliced scallion tops, serve and enjoy!

Croissant Breakfast Casserole Baked

My verdict: Great! I substituted some good Southern breakfast sausage for the Italian and it was delicious. While the croissants I used were just okay, if you could find some good ones, it would make it a better dish.

You could add or substitute all kinds of goodies, smoked salmon, mushrooms are a few that come to mind. It was also good to just be able to pop it in the oven on a busy morning.

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