Follow these straightforward steps to create your Christmas Breakfast Casserole:

1. Preheat Oven: Preheat your oven to 350°F (175°C).

2. Prepare Baking Dish: Grease a 9×13-inch baking dish with cooking spray or butter.

3. Mix Eggs and Milk: In a large bowl, whisk together the eggs and milk until well blended. Season with salt and pepper.

4. Layer Hash Browns: Spread the frozen hash browns evenly across the bottom of the greased baking dish.

5. Add Sausage: Sprinkle the crumbled sausage over the layer of hash browns.

6. Add Cheese: Evenly distribute the shredded cheddar cheese over the sausage.

7. Pour Egg Mixture: Carefully pour the egg and milk mixture over the ingredients in the baking dish.

8. Bake: Place the dish in the preheated oven and bake for 40-45 minutes until the center is set and the top is golden brown.

9. Cool and Serve: Remove from the oven and let it cool for a few minutes. Cut into squares and serve warm.

Choosing to indulge in this incredible casserole is a fantastic way to fuel your holiday gatherings.