If you crave a breakfast that’s as hearty as it is comforting, the Breakfast Biscuit Casserole is about to become your new weekend favorite. Imagine warm, fluffy biscuit pieces layered with savory sausage, creamy scrambled eggs, sharp cheddar cheese, and crowned with a luxurious country gravy. It’s everything you love about brunch, all mingling in one bubbling, golden-baked dish that brings friends and family running to the table. The aromas alone will wake everyone up with a smile, making it perfect for lazy mornings, holiday gatherings, or whenever you want to turn breakfast into a celebration.

Breakfast Biscuit Casserole Recipe - Recipe Image

Ingredients You’ll Need

The magic of this dish is how easy it is to pull together with familiar ingredients, each one essential for building incredible flavor and texture. From savory sausage to golden cheese and fluffy biscuits, every bite delivers a little taste of everything you love in breakfast.

Unsalted butter: Melts into the onions and brings a rich, mellow flavor base for the casserole.
Onion: Diced and sautéed, it adds a gentle sweetness and depth to every bite.
Refrigerated biscuit dough: These ready-made wonders bake up fluffy and light, catching all those savory juices and cheeses.
Whole milk or heavy cream: Creates a luscious, custardy foundation for the eggs and keeps the casserole moist.
Eggs: The glue that binds everything together and gives an irresistibly creamy texture.
Oregano: Just a teaspoon, but it elevates the overall flavor with a subtle herbal note.
Shredded cheddar cheese: Melts into gooey, tangy ribbons that contrast beautifully with the sausage.
Breakfast sausage: The star protein, cooked and crumbled, delivering bold, savory flavor throughout.
Prepared country gravy: A finishing flourish that makes each serving creamy, rich, and ultra-indulgent.

How to Make

Step 1: Preheat and Prep the Baking Dish

Start by preheating your oven to 350°F so it’s ready to go when you are. Take out a 9×13-inch baking dish and give it a generous coating of cooking spray or butter. This keeps the biscuits from sticking and helps every delicious layer lift out perfectly after baking.

Step 2: Sauté the Onions

In a medium skillet over medium heat, melt the butter, then add your diced onion. Let them sizzle for 3 to 4 minutes, stirring occasionally, until they’re soft and starting to caramelize. This little bit of extra care gives the casserole a savory-sweet depth you’ll notice in every forkful.

Step 3: Brown the Sausage

Using the same skillet, crumble in your breakfast sausage and cook it over medium heat. Stir and break it apart with a spoon as it cooks. Once the sausage is browned and fully cooked, drain off any excess grease—no one wants a soggy casserole! Set the sausage aside for layering later.

Step 4: Prep the Biscuits and Egg Mixture

While the sausage cools, cut the refrigerated biscuit dough into roughly 2-inch pieces—no need to be precise; rustic chunks work beautifully. In a separate bowl, whisk together the eggs, milk (or cream), oregano, and a pinch of salt and pepper until it’s smooth and blended. This mixture will seep between the biscuits and soak into all the nooks and crannies.

Step 5: Assemble the Layers

Now, for the fun part. Arrange the biscuit pieces evenly across the bottom of your greased baking dish. Next, scatter the sautéed onions and browned sausage right on top, letting them nestle among the biscuit pieces. Sprinkle one cup of that vibrant shredded cheddar cheese over everything. Pour your egg mixture evenly over it all, letting it trickle down into every corner for maximum flavor.

Step 6: Add Gravy and Cheese

Ladle the prepared country gravy in dollops (or a gentle drizzle) across the top of the casserole—don’t skimp! It helps the casserole stay decadently moist. Finally, sprinkle the remaining half cup of cheddar cheese over the top, giving you that signature bubbly, golden finish.

Step 7: Bake to Perfection

Slide the casserole into your preheated oven and bake for 30 to 35 minutes. You’re looking for a set center and a golden, bubbling top. The cheese should be melted and the edges deliciously crisp. After baking, let it cool for a few minutes to firm up—then slice, serve, and watch it disappear!

How to Serve

Garnishes

A sprinkle of chopped fresh chives or parsley right before serving adds a pop of color and freshness. If you want a hint of heat, scatter on some sliced jalapeños or a dusting of black pepper. Serving with extra gravy on the side is always a hit, especially for those who love it super saucy.

Side Dishes

This dish is rich, so fresh fruit like melon or berries makes a welcome, light contrast. Crisp, lightly dressed greens or a tangy tomato salad brighten up the plate and balance the flavors of the Breakfast Biscuit Casserole. If you’re feeling extra indulgent, a side of hash browns or fried potatoes lets you go all-in on the brunch experience.

Creative Ways to Present

For a fun twist, bake the Breakfast Biscuit Casserole in individual ramekins for personal servings—a sure winner at brunch parties. Or, make mini muffin-style portions for a grab-and-go breakfast spread. You can also top each serving with a fried egg for a yolky, Instagram-worthy addition.

Make Ahead and Storage

Storing Leftovers

Allow the casserole to cool completely, then transfer leftovers to an airtight container or cover the baking dish tightly with foil. The Breakfast Biscuit Casserole will keep in the fridge for up to three days, making it fantastic for meal prep and busy mornings.

Freezing

To freeze, cut the cooled casserole into squares and wrap each piece tightly in plastic wrap, then place them in a freezer-safe bag. These will keep for up to two months. Thaw overnight in the fridge for the best texture when you’re ready to enjoy.

Reheating

You can reheat individual slices in the microwave (about 1–2 minutes, covered), or pop the whole casserole, covered with foil, into a 325°F oven until warmed through. Add a splash of milk or more gravy before reheating if you want to maintain maximum moisture.

FAQs

Can I make the Breakfast Biscuit Casserole the night before?

Absolutely! Assemble the casserole, cover tightly, and refrigerate overnight. When you’re ready to bake, just add 5–10 extra minutes to the baking time since the dish will be cold.

Is there a vegetarian version of this casserole?

Yes, you can substitute the sausage with plant-based sausage crumbles, or load it up with extra veggies like bell peppers and mushrooms. The flavors are just as satisfying!

What if I don’t have country gravy?

No problem! You can skip the gravy altogether and swap in a bit of extra milk (or cream) and more cheese for a creamier, cheesy-topped casserole, or try a white pepper gravy mix if you have one handy.

How do I know when the casserole is done?

The casserole will look golden around the edges and be set in the center, not jiggly. A knife inserted into the center should come out mostly clean, and the cheese should be bubbling and golden.

Can I use a different type of cheese?

Definitely! Cheddar is classic, but you can swap in Monterey Jack, Colby, pepper jack, or even smoked gouda to give the Breakfast Biscuit Casserole your own cheesy twist.

Final Thoughts

If you’re looking for a breakfast or brunch that’s easy, crowd-pleasing, and downright delicious, you can’t go wrong with Breakfast Biscuit Casserole. Give it a try the next time you want to turn an ordinary morning into something memorable—it’s destined to become a staple at your table!