Overnight Sausage, Egg, and Cheese Breakfast Casserole
There’s something truly special about waking up to the aroma of a warm, cheesy breakfast casserole wafting through the house. It’s cozy, it’s comforting, and, best of all, it brings everyone together at the breakfast table! I often think of those chilly Sunday mornings when my family would gather around, eagerly awaiting a dish bursting with flavor and warmth. This Overnight Sausage, Egg, and Cheese Breakfast Casserole is my homage to those precious moments. It’s one of those easy weeknight dinners that doubles as a luxurious brunch treat, perfect for the whole family.
So grab your favorite coffee mug, and let’s dive into this delightful recipe! This is one you’ll definitely want to pin for later!
Why You’ll Love This Recipe
Quick Prep Time: Spend just a few minutes preparing everything the night before – no need to rush in the morning!
Crowd-Pleasing Flavor: The golden combination of savory sausage, creamy cheese, and fluffy eggs will have everyone coming back for seconds.
Family-Friendly: Kids and adults alike will love this delicious dish, making it a perfect choice for family gatherings or holiday brunch.
Easy to Customize: With endless possibilities for mix-ins and toppings, this casserole can be tailored to suit your taste.
No-Fuss Clean-up: Baking everything in one casserole dish means less time washing up and more time enjoying those cozy moments.
Ingredients You’ll Need for Overnight Sausage, Egg, and Cheese Breakfast Casserole
To whip up this comforting breakfast casserole, gather these simple ingredients:
- 1 lb sausage, cooked and drained
- 6 eggs, beaten
- 5 slices bread, broken into small pieces
- 1 tsp salt
- 1 tsp dry mustard (found in the spice section)
- 2 cups milk
- 2 cups shredded cheddar cheese
Step-by-Step Instructions
Let’s make it together! It’s easier than you might think.
Preheat your oven to 375 degrees Fahrenheit. This ensures that your casserole will bake evenly.
In a skillet, brown the sausage over medium heat until fully cooked, and then drain the grease. Let the savory aroma fill your kitchen!
Tear the bread into small pieces. This helps absorb all the yummy flavors when baked.
In a mixing bowl, combine the cooked sausage, torn bread, beaten eggs, salt, dry mustard, milk, and shredded cheddar. Mix until well combined, letting those flavors meld together.
Pour the mixture into a greased 9×13 casserole dish, spreading it evenly. It should look rich and inviting!
Bake in the preheated oven for about 40 minutes, or until the top is golden brown and slightly puffed.
Variations & Creative Twists
While this recipe is fantastic as is, feel free to get creative! Here are some delicious variations to try:
Vegetable Medley: Add in sautéed bell peppers, onions, or spinach for a zesty, veggie-packed twist.
Herb Infusion: Sprinkle in fresh herbs like chives or parsley for an aromatic lift.
Spicy Kick: Use spicy sausage or add a pinch of red pepper flakes for those who crave a little heat.
Cheese Lovers: Combine different cheeses like pepper jack or mozzarella for a creamy, indulgent texture.
Chef Emma’s Helpful Tips
Making the perfect Overnight Sausage, Egg, and Cheese Breakfast Casserole has a few helpful tricks!
Make-Ahead Magic: Prepare your casserole the night before, cover with foil, and set it in the fridge. In the morning, just pop it in the oven!
Ingredient Swaps: If you have dietary preferences, you can swap sausage for turkey sausage or even diced ham.
Slicing Made Easy: Let the casserole cool slightly before slicing – it will hold together better for serving.
Storage Suggestions: Leftovers can be stored in an airtight container in the fridge for up to three days. It’s just as delicious reheated!
Nutrition Information per Serving
Here’s what’s inside – nutrition breakdown:
- Serving Size: 1/8 of the casserole
- Calories: 350
- Carbs: 20g
- Sugar: 4g
- Fat: 25g
- Protein: 18g
- Sodium: 600mg
Frequently Asked Questions
Here are some common questions about this cozy casserole:
Can I make this ahead? Absolutely! Prepping it the night before makes it a breeze to enjoy in the morning.
Can I use different ingredients? Yes! Feel free to customize with your favorite veggies, meats, or cheeses.
How do I store leftovers? Place any leftovers in an airtight container in the fridge for easy reheating.
How long does it last? Stored properly, it will stay fresh in the fridge for up to three days.
Final Thoughts
There’s something so heartwarming about this Overnight Sausage, Egg, and Cheese Breakfast Casserole. It’s not just a recipe; it’s a cozy blanket of comfort on chilly mornings, bringing family and friends together to share laughter and create memories.
Save this Overnight Sausage, Egg, and Cheese Breakfast Casserole to your brunch board so it’s ready when you need a cozy treat! Enjoy every golden, cheesy bite!

Overnight Sausage, Egg, and Cheese Breakfast Casserole
- Total Time: 55 minutes
- Yield: 8 servings 1x
- Diet: Omnivore
Description
A warm, cheesy breakfast casserole that’s easy to prepare the night before and perfect for family gatherings.
Ingredients
- 1 lb sausage, cooked and drained
- 6 eggs, beaten
- 5 slices bread, broken into small pieces
- 1 tsp salt
- 1 tsp dry mustard
- 2 cups milk
- 2 cups shredded cheddar cheese
Instructions
- Preheat your oven to 375 degrees Fahrenheit.
- Brown the sausage in a skillet over medium heat until fully cooked and then drain the grease.
- Tear the bread into small pieces.
- Combine the cooked sausage, torn bread, beaten eggs, salt, dry mustard, milk, and shredded cheddar in a mixing bowl. Mix until well combined.
- Pour the mixture into a greased 9×13 casserole dish, spreading it evenly.
- Bake for about 40 minutes, or until the top is golden brown and slightly puffed.
Notes
Leftovers can be stored in an airtight container in the fridge for up to three days. Allow casserole to cool slightly before slicing for better serving.
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Category: Breakfast
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 350
- Sugar: 4g
- Sodium: 600mg
- Fat: 25g
- Saturated Fat: 10g
- Unsaturated Fat: 15g
- Trans Fat: 0g
- Carbohydrates: 20g
- Fiber: 1g
- Protein: 18g
- Cholesterol: 240mg




