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    Home » Recipes » Casseroles » Breakfast Casseroles » Overnight Sausage Casserole with Brie 

    Overnight Sausage Casserole with Brie 

    Published: Feb 24, 2023 by Barbara Curry · This post may contain affiliate links.

    Jump to Recipe
    5 from 1 vote

    Disclaimer: This post may contain affiliate links.

    A scoop of brie and sausage casserole.
    A scoop of brie and sausage casserole.

    Enjoy a delicious and comforting breakfast casserole with brie and sausage. This easy recipe is the perfect way to start your day. Perfect for a big crowd, simply assemble the ingredients the night before and bake it up in the morning. Serve with a side of fresh fruit and a mug of coffee or tea.

    A sausage casserole in a baking dish.

    The Best Make Ahead Breakfast Casserole

    Preparing an overnight breakfast casserole allows you to have a delicious breakfast ready to go when you wake up in the morning. No chopping or cooking in the morning, no messy kitchen to clean up, just put it in the oven and you can enjoy a relaxing breakfast or brunch. Try adding some sweet potato sticky buns to compliment the casserole.

    Don’t save this just for breakfast, it’s fabulous for dinner.

    This sausage casserole is especially nice over the holidays when you have a house full of people or are hosting a breakfast or brunch. You can do all the work the night before, like you do with banana foster French toast casserole.

    A spoon full of sausage casserole.

    Breakfast casseroles are just the thing when you want something homemade without tons of effort. Simply throw together, let it sit overnight, bake, and serve for a delicious breakfast, lunch, or dinner. The options are almost endless when it comes to casserole recipes.

    Brie cut into cubes.

    A scoop of brie and sausage casserole.

    Why you will love this Overnight Sausage Breakfast Casserole

    • You can prep it the night before and bake right away in the morning
    • It’s an easy recipe to feed a crowd
    • It’s creamy and custardy
    • You can store leftovers and reheat for a quick breakfast
    • It has a unique flavor, different from traditional breakfast casseroles

    Overnight Egg Sausage Casserole ingredients

    The ingredients you need for an egg and sausage casserole.
    Gather your ingredients.
    • Sausage – use a classic breakfast sausage, I use a local brand, Neese’s, but any breakfast sausage will work. You could also substitute Italian sausage.
    • Brie – this is the star of the recipe, you do not need to remove the outer casing, it’s meant to be eaten with the cheese.
    • Bread – Any type of day old bread will work well in this recipe. If the bread is fresh, just toast it in the oven for a few minutes to dry it out.
    • Parmesan cheese – a little freshly grated parmesan cheese adds a great flavor.
    • Heavy Cream – Do not substitute milk for the cream or this casserole will lose it’s custard texture.
    • Pantry staples – Grab milk, eggs, fresh thyme and dry mustard.

    What is brie cheese?

    Brie is named after a region in France where it originated. It is a soft cheese traditionally made with cow’s milk, with an outer coating of white mold that is meant to be eaten with the interior cheese. While it is great with crackers, you’ve got to try it in this breakfast casserole.

    Pro tip: If your bread is fresh, toast it in the oven for a few minutes to dry it out. This will make it absorb the liquids better.

    How to make Sausage Breakfast Casserole Overnight

    Step 1: Cook the sausage

    Cook the breakfast sausage and make sure to drain any excess grease.

    Breakfast sausage cooked in a skillet.
    Cook the sausage.

    Step 2: Prepare the pan

    Place the bread on the bottom of a baking dish then top with sausage, brie, and parmesan.

    Bread slices in the bottom of a baking dish.
    Line the casserole dish with slices of bread.
    Sausage and brie in a casserole dish
    Top the bread with sausage and brie.
    Parmesan cheese sprinkled on the top of a breakfast casserole.
    Sprinkle parmesan on top.

    Step 3: Beat it!

    Beat 5 of the eggs with 2 cups of the milk and cream mixture and pour it over the sausage mixture. Save the rest of the eggs and milk to add right before baking.

    Eggs, cream and milk in a bowl with a whisk.
    Whisk part of the eggs with milk and cream.
    A breakfast casserole before it has baked.
    Pour the egg mixture over the casserole and refrigerate.

    Step 4: Chill out

    Cover the casserole dish with plastic wrap and refrigerate overnight.

    Step 5: Bake!

    Top the casserole with the remaining eggs and cream the next morning. This makes it custardy all the way through and not just at the bottom.

    Extra eggs and cream being poured over the casserole.
    Pour additional eggs and cream over casserole before baking.

    Bake until set and serve warm.

    A baked breakfast casserole.

    Why do you refrigerate Sausage Egg Bread Casserole before baking?

    When you refrigerate an egg casserole, it allows the egg and milk mixture to be absorbed into the bread.

    How long can this Sausage Egg Bread Casserole sit in the fridge before baking?

    You can let this sausage breakfast casserole recipe sit in the fridge for up to 24 hours before baking. I would not let this casserole sit for longer than 24 hours in the fridge as the bread will turn to mush.


    Overnight Sausage Breakfast Casserole FAQs

    Can you eat the rind of brie?

    Yes, the rind of brie cheese is meant to be eaten. It adds a subtle mushroom like flavor to the cheese and compliments the interior cheese.

    Does breakfast casserole have to sit overnight?

    Sitting overnight allows the egg mixture to soak into the bread, without this step you would have layers of eggs and bread and sausage.

    Why is my breakfast casserole soggy?

    If the casserole is soggy, it needs to bake longer,make sure the middle is set before removing from the oven.

    What’s the difference between a frittata and a breakfast casserole?

    A frittata is simply eggs along with veggies and/or meat that has been baked. It is not custardy and does not contain bread like a breakfast casserole.

    Can you put a casserole dish straight from fridge to oven?

    It is best to let a casserole come to room temperature before putting in the oven. If the casserole is cold or frozen, it will affect the cooking time. Also some casserole dishes can not withstand that drastic change in temperature and could crack.

    How to serve Overnight Sausage and Egg Casserole?

    • Something sweet like these peach cinnamon roll is great with this savory breakfast.
    • Blueberry muffins or pear muffins would be a great combo.
    • Fresh fruit also makes a simple side to this recipe.
    • Nothing beats a side of hash browns at breakfast.
    • Since it already has meat, it’s pretty filling all by itself. However, a simple fruit salad pairs well with the savory sausage.

    How to store Make Ahead Breakfast Casserole

    Since this is egg based it should be stored in the refrigerator once it has cooled. Just cover it with plastic wrap or store in an airtight container.

    Can this Make Ahead Breakfast Casserole be frozen?

    You can freeze this after it has baked. However, the texture will not be quite the same when it is thawed. Just let it warm to room temperature and reheat in the oven.

    More breakfast casseroles you’ll love

    • A spoon full of ham casserole.
      Cheesy Potato Ham Casserole Recipe
    • A baked hashbrown breakfast casserole.
      Cheesy Hashbrown Potatoes
    • An eggnog French Toast casserole next to coffee.
      Overnight Eggnog French Toast
    • A sausage and potato breakfast casserole next to a coffee cup.
      Breakfast Sausage and Potato Casserole

    If you loved this recipe, give it a star ⭐️⭐️⭐️⭐️⭐️ rating! Also, snap a picture of your finished dish and share it with me on Instagram using the hashtag #butterandbaggage and tagging me @butterandbaggage.

    A brie and sausage casserole with a serving spoon.

    Overnight Egg Sausage Casserole

    Author: Barbara Curry
    Enjoy a delicious and comforting breakfast casserole with brie and sausage. This easy recipe is the perfect way to start your day. Perfect for a big crowd, simply assemble the ingredients the night before and bake it up in the morning. Serve with a side of fresh fruit and a mug of coffee or tea.
    5 from 1 vote
    Print Pin
    PREP: 20 minutes minutes
    COOK: 1 hour hour
    Servings: 12

    Ingredients
     

    • 1 pound breakfast sausage
    • 8 ounces brie
    • 6 slices day old bread
    • 4 ounces parmesan cheese 1 cup shredded
    • 7 large eggs divided
    • 3 cups heavy cream divided
    • 2 cups milk
    • 1 tablespoon fresh thyme
    • 1 teaspoon salt
    • 1 teaspoon dry mustard
    • green onions chopped
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    Instructions
     

    • Cook the sausage in a large skillet over medium-high heat until it is cooked through and no longer pink. Drain the grease.
    • Cut the bri into ½ inch cubes.
    • Lightly grease a 9 x 13 inch pan. Place the bread slices on the bottom of the pan.
    • Spread the sausage on top of the bread and add the brie and parmesan cheese.
    • Whisk together just 5 of the eggs with 2 cups of the cream and milk. Add thyme, salt and mustard.
    • Pour over the sausage mixture and cover with plastic wrap. Refrigerate overnight.
    • Preheat the oven to 350º.
    • Whisk together the remaining 2 eggs and 1 cup of cream and pour it over the chilled mixture. Bake for 1 hour or until the middle is set and the top is golden brown. Add chopped green onions to the top before serving.
    Barbara’s Tips + Notes
    • For the casserole to be custardy you will need cream or half-and-half.
    • You can Italian sausage instead of breakfast sausage.
    • If you’re bread is not day old, then toast it slightly in the oven to dry it out, it will absorb the cream better if it is dry.

    Nutrition

    Calories: 480kcal | Carbohydrates: 4g | Protein: 19g | Fat: 43g | Saturated Fat: 23g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 13g | Trans Fat: 0.1g | Cholesterol: 220mg | Sodium: 772mg | Potassium: 289mg | Fiber: 0.1g | Sugar: 4g | Vitamin A: 1321IU | Vitamin C: 2mg | Calcium: 257mg | Iron: 1mg
    Follow Me On SocialDid you make this recipe? Mention @ButterandBaggage or tag #ButterandBaggage on Instagram!

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    Barbara Curry is the culinary adventurer of Butter & Baggage. With a dedicated enthusiasm for real butter made from happy cows she is in constant pursuit of delicious recipes and tasty dishes. She shares her experiences, ventures, and occasional misadventures because let’s face it things can get messy in any kitchen.

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