Christmas Breakfast Casserole
A warm, rich breakfast casserole filled with comforting flavors, perfect for family gatherings and easy enough for busy mornings.
Ingredients
Main Ingredients
- 1 lb pork breakfast sausage Use turkey sausage for a lighter option.
- 1 large yellow onion, chopped
- 1 loaf sourdough bread, cut into 1-inch cubes Can swap with whole wheat or bagels.
- 2 cups shredded Gruyère cheese Other cheese options include cheddar or feta.
- 1/2 cup grated Parmesan cheese
- 8 large eggs
- 2 cups whole milk Milk alternatives can be used.
- 1 cup heavy cream
- 1 tbsp Dijon mustard
- 1 tsp salt
- 1/2 tsp black pepper
- 1/4 tsp ground nutmeg
Instructions
Preparation
- Cook sausage and onion in a skillet until browned. Drain the grease.
- In a large bowl, combine bread cubes, sausage mixture, and cheeses. Transfer to a greased 9x13-inch baking dish.
- In the same bowl, whisk together all egg custard ingredients.
- Pour the custard evenly over the bread mixture. Cover and refrigerate for at least 8 hours or overnight.
Baking
- Preheat oven to 350°F (175°C). Let the casserole sit at room temperature for 30 minutes.
- Bake uncovered for 50-60 minutes until golden and set. Let rest for 10 minutes before serving.
Notes
This casserole pairs well with fresh fruit, crispy bacon, or a light salad. For a crusty top, broil for a couple of minutes at the end. Adjust seasonings to your taste.