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  1. Food and Cooking
  2. Recipes
  3. Christmas Breakfast Casserole

Christmas Breakfast Casserole

A holly jolly start to your day.

By Ree DrummondUpdated: Dec 5, 2024
Star FillStar FillStar FillStar FillStar Fill
5
4 Ratings
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the pioneer woman's christmas breakfast casserole
Ralph Smith
Yields:
8 - 10 serving(s)
Prep Time:
35 mins
Total Time:
2 hrs 35 mins
the pioneer woman's christmas breakfast casserole recipe

There's nothing better than an easy, hearty breakfast casserole, especially on a hectic holiday morning. This Christmas breakfast bake is packed with gooey cheese, rich croissants, ham, and peppers, and it'll rival anything under the Christmas tree. The best part is, it feeds the entire family! Put this Christmas breakfast casserole in the oven, toss together a festive red and green fruit salad, pop the champagne for mimosas, and you've got a very merry morning spread worth celebrating.

What's the best cheese for Christmas breakfast casserole?

We love the sharpness of cheddar and the slight heat from the pepper jack in this breakfast casserole, but you can use whatever type of cheese or combination of cheeses you like best. Any sort of melting cheese like Colby Jack, Swiss, or Gruyère (or similar Gruyère substitute) would work well.

What can you use instead of ham in breakfast casserole?

Bacon or breakfast sausage would be delicious substitutes for the ham, or you can leave the meat out all together. If using bacon or sausage, make sure it's cooked and chopped or crumbled, and use eight ounces. If you're using bacon, keep in mind you may want to adjust the amount of salt in the casserole since bacon tends to be saltier than ham.

Why does breakfast casserole have to sit for an hour?

Letting it hang out in the fridge for an hour allows time for the croissants to soak up some of that rich, creamy egg mixture. Don't skip this step—it won't turn out the same.

Can you make Christmas breakfast casserole ahead of time?

You can put the casserole together up to four hours before baking it. If you want to get further ahead, sauté the ham, onion, and bell paper a day ahead and refrigerate the mixture in an airtight container. This will cut down on prep time in the morning!

How long will leftovers last?

You should eat any leftovers within two days of cooking this casserole.

How do you reheat Christmas breakfast casserole?

Individual servings can be reheated in the microwave, but if you're reheating larger portions, cover the baking dish with foil and warm in a 350-degree oven for 20 to 30 minutes or until heated through.

What goes with Christmas breakfast casserole?

Serve it with a refreshing and festive red and green fruit salad, and a round of cranberry mimosas. For a full spread of Christmas breakfast ideas, something sweet such as Ree Drummond's famous maple-glazed cinnamon rolls would be scrumptious, too. After all, the holidays are no time to hold back!

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Ingredients

  • 2 Tbsp.

    olive oil

  • 8 oz.

    deli ham, diced

  • 1

    medium onion, diced

  • 1

    red bell pepper, diced

  • 1

    green bell pepper, diced

  • 1 tsp.

    kosher salt

  • 1/2 tsp.

    black pepper

  • 1 tsp.

    fresh thyme, chopped

  • 6

    croissants, cut into 1 1/2- to 2-in. pieces

  • 1 cup

    milk

  • 3/4 cup

    half-and-half

  • 1 tsp.

    hot sauce

  • 5

    large eggs

  • 2 cups

    grated white cheddar cheese, divided

  • 1 cup

    grated pepper jack cheese, divided

Directions

    1. Step 1In a large skillet, heat 1 tablespoon olive oil over medium-high heat. Add the ham, onion, and bell pepper, and cook, stirring, until softened, 8 to 10 minutes. Add the salt, pepper, and thyme, and cook for 1 minute more. Remove from the heat and set aside to cool slightly. 
    2. Step 2Brush a 13-by-9-inch baking dish with the remaining 1 tablespoon olive oil. Add the croissant pieces, top with the ham mixture, and mix gently to combine. 
    3. Step 3In a medium bowl, whisk together the milk, half-and-half, hot sauce, and eggs. Add half of both cheeses. Pour the mixture over the croissants and mix gently to combine and evenly distribute. Cover and refrigerate for at least 1 hour and up to 4 hours.
    4. Step 4Preheat the oven to 350°F. Remove the casserole from the refrigerator, uncover, and let sit at room temperature for 15 minutes before baking, pressing down on the croissants with a spatula to make sure they are well soaked. 
    5. Step 5Sprinkle the casserole with the remaining cheeses. Bake until puffed, golden brown, and the cheese is melted, about 45 minutes. Let rest 15 minutes before serving.
Love this recipe? Try one of these next!
  • Sausage Breakfast Casserole
  • Hash Brown Breakfast Casserole
  • Cinnamon Roll Breakfast Casserole
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