Ingredients You Need
For the Sausage Layer
- 1 lb (450g) breakfast sausage
(mild, spicy, or Italian—your choice) - 1 small onion, diced (optional)
- 1 clove garlic, minced (optional)
For the Egg Mixture
- 8 large eggs
- 1 ½ cups milk (whole or 2%)
- Salt & black pepper to taste
Carb + Cheese Base
- 1 can refrigerated biscuits
(Pillsbury-style grands or small biscuits) - 2 cups shredded cheddar cheese
(sharp cheddar is amazing) - ½ cup mozzarella or Monterey Jack (optional melty layer)
Optional Extras
- Green onions
- Hash brown potatoes (½ bag)
- A pinch of paprika
- Hot sauce for serving
Why This Casserole Is So Famous
This dish is:
- hearty
- fluffy
- rich and cheesy
- so easy you can make it half asleep
Breakfast casseroles win hearts because they stack layers of:
1️⃣ savory sausage
2️⃣ tender biscuit pieces
3️⃣ creamy eggs
4️⃣ melted cheese
Everything cooks in one dish — no frying biscuits, no separate pans to serve — just slice and enjoy.
Cook the Sausage
Step 1 — Brown + Season
In a large skillet, cook the sausage over medium heat.
Add onions and garlic if using.
Break into crumbles until browned and no pink remains.
Drain excess grease so your casserole doesn’t turn oily.
Season lightly with:
- salt
- pepper
- paprika
(Just a pinch — sausage already has flavor.)
Set aside to cool slightly.
Prep the Biscuits
Step 2 — Cut and Layer
Open your refrigerated biscuits.
Cut each biscuit into 4–6 small chunks.
Scatter them across a greased 9×13 baking dish.
These doughy pieces will puff and absorb egg, turning into soft, fluffy layers that taste like baked dumplings.
Mix the Eggs
Step 3 — Whisk Together
In a large bowl whisk:
- eggs
- milk
- salt
- pepper
Beat until smooth — no streaks of yolk.
If you like heat, add a tiny shake of cayenne.
Build the Layers
Step 4 — Add Sausage
Spread all the browned sausage evenly on top of the biscuit pieces.
Step 5 — Pour Eggs
Slowly pour egg mixture over sausage and biscuit base.
Tilt the pan gently so every biscuit piece gets covered — this helps them puff instead of drying out.
Step 6 — Add Cheese
Sprinkle cheddar over the top generously.
Add mozzarella for stretchy melt if you like.
Cheese forms the golden crust you saw in the picture.
Bake the Casserole
Step 7 — Oven Time
Bake at 350°F / 175°C for 40–50 minutes.
You’ll know it’s ready when:
✔ Top is golden
✔ Center is set and not jiggly
✔ Knife inserted comes out clean (no wet egg)
If browning too quickly, cover lightly with foil for the last 10 minutes.
Cool, Slice, Serve
Step 8 — Let It Rest
Let casserole cool 10 minutes before slicing.
This allows layers to firm up and cuts to come out clean — otherwise it may crumble when you lift it.
Serve warm with:
- hot sauce
- ketchup
- sour cream
- fresh parsley
- sliced jalapeños
- fruit salad on the side
Flavor Twist Ideas
Southwest Style
- Add ½ cup salsa into eggs
- Replace cheddar with pepper jack
- Serve with avocado
Country Gravy Style
Make quick white gravy and spoon over slices 🤤
Bacon Lover
Replace half the sausage with cooked crumbled bacon
Veggie Upgrade
Mix in:
- spinach
- bell pepper
- mushrooms
- roasted broccoli
Croissant Swap
Use torn croissant pieces instead of biscuits for buttery decadence
Storing & Reheating
Fridge
Keeps 4 days in an airtight container.
Freezer
Freezes beautifully:
- Cool completely
- Cut into squares
- Wrap individually
Keeps 2 months.
Reheat
Microwave 60–90 seconds
OR bake 10 minutes at 325°F/160°C
Still fluffy, cheesy, and delicious.