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Here’s a detailed, unique article for your Sausage Breakfast Casserole (Make Ahead) with a step-by-step guide:

Sausage Breakfast Casserole (Make Ahead) – The Ultimate Comfort Morning Dish

If you love waking up to a hearty, savory breakfast without the stress of cooking everything from scratch, a make-ahead sausage breakfast casserole is your dream come true. This dish is a perfect combination of fluffy eggs, savory sausage, melty cheese, and tender bread, all baked into a golden, comforting casserole. It’s ideal for busy mornings, holiday brunches, or feeding a crowd with minimal effort.

Ingredients You’ll Need

1 pound (450 g) breakfast sausage – spicy or mild, depending on preference
6 large eggs
2 cups milk (whole milk works best for richness)
1 teaspoon salt
½ teaspoon black pepper
1 teaspoon Dijon mustard (optional, for depth of flavor)
6 cups cubed bread (day-old white, sourdough, or French bread)
2 cups shredded cheddar cheese (or a mix of cheddar and mozzarella)
½ teaspoon garlic powder (optional)
Fresh herbs for garnish (like parsley or chives)

Step-by-Step Method

Step 1: Cook the Sausage

Heat a large skillet over medium heat.
Add the sausage, breaking it up with a wooden spoon.
Cook until browned and fully cooked, about 8–10 minutes.
Drain excess grease and set aside.

Tip: For extra flavor, consider adding diced onions or bell peppers to the sausage while cooking.

Step 2: Prepare the Egg Mixture

In a large mixing bowl, whisk together the eggs, milk, salt, pepper, Dijon mustard, and garlic powder.
Ensure the mixture is smooth and well combined.

Step 3: Assemble the Casserole

Grease a 9×13-inch baking dish with butter or non-stick spray.
Spread half of the cubed bread evenly across the bottom.
Sprinkle half of the cooked sausage over the bread.
Layer half of the shredded cheese on top.
Repeat with the remaining bread, sausage, and cheese.
Pour the egg mixture evenly over the entire casserole. Press down slightly to make sure the bread absorbs the liquid.