Overnight Breakfast Casserole Recipe

This luscious overnight breakfast casserole is your new best friend for busy mornings! Picture waking up to a delightful blend of creamy cheeses, savory sausage, and soft buttery bread. It’s like breakfast, lunch, and dinner all wrapped in one warm, delicious hug. No fancy techniques here—just simple ingredients that come together overnight so you can enjoy the smorgasbord of flavors and textures without the fuss.

Why You’ll Love Overnight Breakfast Casserole (Creamy, Easy, and Cozy)

This breakfast casserole is the ultimate choice for a cozy morning. The best part? It’s super easy to prepare in advance!

• Speed: Assemble it the night before for a quick bake in the morning.
• Texture: Enjoy the perfect balance of creamy and fluffy bites.
• Pantry-Friendly: Use ingredients you likely already have on hand.
• Meal Prep: Ideal for batch cooking for a week’s worth of breakfasts.
• Dietary Notes: Easily adaptable for special diets.

Ingredients for Overnight Breakfast Casserole

• Breakfast Sausage – adds savory, hearty flavor.
• Jumbo Eggs – bind everything together for a fluffy texture.
• Salt – enhances all the flavors.
• Black Pepper – adds a subtle kick.
• Cayenne Pepper – for a hint of warmth (optional).
• Ground Mustard – compliments the eggs beautifully.
• Dried Sage – gives that lovely herbal note.
• Dried Chives – a pop of earthy flavor.
• Half-and-Half – makes it extra creamy (substitute with milk if needed).
• Sharp Cheddar Cheese – for a classic breakfast flavor.
• White Cheddar Cheese – adds depth and creaminess.
• Butter Bread – provides the base that soaks up all the goodness.

Ready to cook? See the recipe card for exact measurements below.

How to Make Overnight Breakfast Casserole

Phase 1 – Prep

1. Gather all ingredients and preheat your oven to 350°F (175°C).
2. Cube the butter bread into bite-sized pieces.
3. Cook the breakfast sausage in a skillet until browned, then drain excess fat.

Phase 2 – Cook/Assemble

1. In a big bowl, whisk together the eggs, half-and-half, salt, black pepper, cayenne pepper, ground mustard, sage, and chives.
2. Add the cooked sausage, cheeses, and cubed bread. Gently fold everything until well combined.
3. Pour the mixture into a greased 9×13 baking dish, cover, and refrigerate overnight.

Phase 3 – Serve

1. The next morning, uncover the dish and bake for about 45 minutes or until puffed and golden brown.
2. Let it rest for a few minutes before serving. Enjoy warm!

Pro Tips for the Best Results

• Substitute any cooked meat for the sausage, like turkey or ham, for a different flavor.
• For extra fluffiness, whip the egg mixture until it’s frothy before combining.
• This dish can be stored in the fridge and reheated, making it perfect for quick breakfasts.

Common Mistakes to Avoid

One common mistake is not letting the casserole sit overnight. This ensures the bread soaks up all that creamy goodness for the best texture. If you’re in a rush, you might think a short soak will do, but trust me on this; patience yields a better result!

Another mistake is overcooking it. Keep an eye on it during the last 10 minutes of baking. You’re looking for a golden top and no jiggle in the center—overbaking can lead to dry bites that no one will enjoy.

Lastly, don’t forget to grease your baking dish! A little butter or cooking spray goes a long way in preventing sticking and making cleanup easy.

Recipe Variations

• Gluten-Free: Use gluten-free bread.
• Dairy-Free: Substitute cheese with dairy-free varieties and use almond milk instead of half-and-half.
• Spicy: Mix in jalapeños or hot sauce for an extra kick!
• Herbal: Incorporate fresh herbs like parsley or basil for a fresh twist.

How to Serve Overnight Breakfast Casserole

Best Pairings

• Fresh fruit salad adds a nice touch of brightness.
• Bacon or turkey bacon for a savory crunch.
• A simple green salad balances the richness perfectly.

Toppings & Garnishes

• Top it with a sprinkle of fresh chives or parsley for color.
• Serve with salsa or a dollop of sour cream for added flavor.

Drink Pairing

• Freshly squeezed orange juice for a citrusy kick.
• Coffee or tea to warm up your morning.

Make Ahead & Storage

Can I Meal Prep This?

Yes! This casserole is perfect for meal prep. Just assemble it the night before and bake it in the morning.

Storing Leftovers

Leftovers can be stored in an airtight container in the fridge for up to 3 days. Reheat in the oven for the best result.

Freezing

You can freeze the unbaked casserole for up to 3 months. Just wrap it tightly in foil to maintain freshness.

Reheating

Reheat individual portions in the microwave for about 1-2 minutes. For larger portions, warm it in the oven at 350°F (175°C) for 15-20 minutes.

FAQs

Can I use frozen sausage? Yes! Just cook it thoroughly before adding it to the mix.

How to make it extra creamy without cream? You can use additional eggs and milk for creaminess.

Can I double it? Absolutely! Just use a larger baking dish and adjust the baking time as needed.

How to fix a too-thick casserole? Add a splash of milk before baking to adjust the consistency.

Recipe Card

Overnight Breakfast Casserole

Yield: 8 servings
Prep Time: 15 minutes
Cook Time: 45 minutes
Total Time: 8 hours (including overnight prep)

Give this Overnight Breakfast Casserole a try! It’s creamy, delightful, and perfect for feeding a crowd. You might find it’s just what you need to kickstart your mornings. Don’t forget to leave a rating or comment, and check out other delicious recipes for more inspiration!

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Overnight Breakfast Casserole

This creamy overnight breakfast casserole is a comforting dish that’s easy to make ahead, perfect for feeding a crowd. Enjoy layers of savory sausage, flavorful cheeses, and soft buttery bread that come together overnight for a hassle-free breakfast.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 45 minutes mins

Total Time 8 hours hrs

Course Breakfast, Brunch

Cuisine American

Servings 8 servings

Calories 350 kcal

Ingredients

  

Main Ingredients

• 1 lb Breakfast Sausage adds savory, hearty flavor
• 8 large Jumbo Eggs bind everything together for a fluffy texture
• 1 tsp Salt enhances all flavors
• 1 tsp Black Pepper adds a subtle kick
• 1/2 tsp Cayenne Pepper for a hint of warmth (optional)
• 1 tsp Ground Mustard compliments the eggs beautifully
• 1 tsp Dried Sage gives that lovely herbal note
• 1 tsp Dried Chives adds earthy flavor
• 2 cups Half-and-Half makes it extra creamy (substitute with milk if needed)
• 1 cup Sharp Cheddar Cheese for classic breakfast flavor
• 1 cup White Cheddar Cheese adds depth and creaminess
• 5 cups Butter Bread provides the base that soaks up all the goodness

Instructions

 

Preparation

• Gather all ingredients and preheat your oven to 350°F (175°C).
• Cube the butter bread into bite-sized pieces.
• Cook the breakfast sausage in a skillet until browned, then drain excess fat.

Cooking/Assembling

• In a big bowl, whisk together the eggs, half-and-half, salt, black pepper, cayenne pepper, ground mustard, sage, and chives.
• Add the cooked sausage, cheeses, and cubed bread. Gently fold everything until well combined.
• Pour the mixture into a greased 9×13 baking dish, cover, and refrigerate overnight.

Serving

• The next morning, uncover the dish and bake for about 45 minutes or until puffed and golden brown.
• Let it rest for a few minutes before serving. Enjoy warm!

Notes

Substitute any cooked meat for the sausage, like turkey or ham, for a different flavor. For extra fluffiness, whip the egg mixture until frothy before combining. This dish can be stored in the fridge and reheated for quick breakfasts.

Keyword Breakfast Recipe, Casserole, Easy Recipe, Meal Prep, Sausage Casserole