Sausage and Egg Breakfast Casserole

Start your morning with a hearty Southern favorite! This Sausage and Egg Breakfast Casserole is the ultimate comfort food for busy mornings, holiday brunches, and family gatherings. Packed with savory breakfast sausage, fluffy eggs, melted cheese, hash browns and bread baked to golden perfection, this easy make-ahead breakfast casserole delivers rich, homestyle flavor in every bite perfect for feeding a hungry crowd.

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Easy Sausage and Egg Breakfast Casserole Recipe

This sausage and egg breakfast casserole is just the kind of dish that shines at potlucks, Sunday brunches, and Christmas morning or Easter family get-togethers. It’s hearty, cheesy, and packed with good ol’ savory sausage and fluffy eggs, the kind of food that makes people feel right at home.

It’s easy to make ahead and simple to serve, perfect for slicing up for a crowd, whether you’re sitting around the table on a lazy weekend morning or fixing a spread for a holiday brunch. Everybody’s gonna love it, and you can bet there’ll be plenty of “pass me another slice!” going around.

Checkout this quick list of ingredients you’ll need to make Sausage Egg and Cheese Breakfast Casserole: (Scroll down for the full printable recipe card.)

Sausage – One pound of breakfast sausage adds protein and flavor.
Bell Peppers – One red bell pepper and one green bell pepper for texture. diced
Onion – Onion expands the flavor profile.
Bread Layer – 8 cups cubed French bread or brioche bread, day old works best!
Potatoes – Frozen hashbrowns make this a one dish meal.
Cheese – A combination of shredded sharp cheddar cheese and shredded Monterey Jack cheese for a cheesy melty flavor.
Whole Eggs – Large eggs stabilize the texture and bring all of the ingredients together.
Liquid – Whole milk and heavy cream for moisture.
Spices – Seasoned salt, black pepper, garlic powder, onion powder and dry mustard.
Fresh Herbs – Fresh chives or parsley for garnishing and a pop of color adding fresh flavor to the taste.

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How to Make the Sausage and Egg Breakfast Casserole Recipe

Brown Sausage – Cook the sausage in a skillet until browned, then drain excess fat.
Sauté Veggies – Add the onion and bell peppers to the skillet and sauté until softened. Remove from heat. Sauté the peppers and onions to deepen flavor.
Assemble – Spread the cubed bread evenly in a greased 9×13-baking dish. Scatter the thawed hashbrowns over the bread.
Add Sausage and Vegetables – Top with the cooked sausage and sautéed vegetables.
Layer Cheese – Sprinkle the cheddar and Monterey Jack cheese evenly over the casserole.
Make Egg Custard – Whisk together the eggs, milk, heavy cream, salt, pepper, garlic powder, and dry mustard until smooth. Pour the egg mixture evenly over the casserole, gently pressing the bread and hashbrowns down to help them absorb the liquid. Let it sit for 15 minutes, allowing some of the liquid to soak into the bread.
Chill – Cover and chill overnight.
Oven – Bake in a preheated oven per the baking time in the recipe until puffy and golden brown.
Serve – Let rest then slice and serve with a sprinkle of fresh chives or parsley and serve warm.

Kitchen Equipment to Make Sausage Egg Casserole

13×9-inch baking dish or casserole dish.
Large bowl and balloon whisk.
Large skillet.
Sharp knife and cutting board.
Measuring cups and measuring spoons.
Cheese grater.

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Recipe Variations, Tips and Substitutions

Bread – You can use French, bread, Italian bread or brioche bread for this casserole. Use day old or cube the bread and leave it out on the counter to dry out or toast it in the oven so it will soak in all of the egg mixture. Brioche or French bread gives the best texture.
Hash Browns – You can use cubed hash browns or shredded hash browns for this recipe. Please thaw prior to adding to prevent excess moisture.
Cheese – You can use 3 cups of your favorite flavor of cheese. Colby jack cheese, smoked cheddar cheese or smoked gouda cheese, mozzarella cheese or spicy pepper jack cheese.
Peppers – You can add a little heat using poblano pepper or jalapeno pepper in place of green bell pepper.
Potatoes – You could use thawed tater tots in place of hash browns. Just crumble them over the bread or chop.
Veggies – You may want to add sauteed baby spinach or mushrooms to make this casserole extra hearty.

Storage and Leftovers

Make-Ahead Tip – You can fully assemble this casserole and freeze it prior to baking for up to 2 months. Thaw in the refrigerator fridge overnight and bake per the recipe.
Leftovers – Refrigerate leftover Sausage and Egg Breakfast Casserole covered with aluminum foil, plastic wrap or transfer to an airtight container for up to 3 days.
Reheating – Reheat in single servings gently the microwave or in a preheated 350 degree f oven until heated through.
Freezer – Store leftover breakfast casserole frozen for up to 2 months. Thaw in the fridge and reheat just before serving.

More Easy Breakfast Recipes to Make

Sausage Egg and Cheese Breakfast Casserole uses crescent rolls for the crust.
My recipe for Giddy Up and Go Breakfast Cobbler was inspired by my son’s when they were toddlers. They still love it!
Asiago Cheese Italian Sausage Strata is a holiday must-make.
Drizzle this Ham and Swiss Cheese Brunch Delight with maple syrup just before serving.
Bacon Egg and Cheese Bread Boat transforms a loaf of bread into a complete meal.
Individual Size Breakfast Egg Muffins are made in a cupcake pan.
Tater Tot Italian Sausage Breakfast Casserole can be served at any meal.
Gruyere Spinach Strata from That Skinny Chicken Can Bake.

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