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Biscuits and Gravy Breakfast Casserole – Easy & Hearty Brunch Classic Everyone Loves!

There’s nothing quite like waking up to the smell of biscuits, sausage, eggs, and melty cheddar cheese coming together in a single bubbling pan of comfort. This Biscuits and Gravy Breakfast Casserole is everything you love about a Southern-style breakfast — warm, creamy, cheesy, and full of hearty flavor — baked into one ridiculously easy dish. Perfect for weekend brunch, holiday mornings, or potlucks, this make-ahead-friendly breakfast casserole feeds a crowd without the fuss. No flipping eggs or frying individual sausage patties here — just layer, bake, and enjoy. The refrigerated biscuit dough makes it a total time-saver, and the country gravy ties everything together into creamy, dreamy perfection. Whether you're serving up a cozy family brunch or fueling the crowd before a big day, this casserole has everything you need in one bite.
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Prep Time 10 minutes
Cook Time 35 minutes
Total Time 45 minutes
Servings: 8 servings
Ingredients Equipment Method Notes

Ingredients
  

🥩 Viandes:
  • 1 lb breakfast sausage ground (pork or turkey)
🧄 Fruits et légumes:
  • ½ medium onion finely chopped
  • 1 tsp dried oregano
🥚 Produits frais:
  • 5 large eggs
🧴 Condiments:
  • 1½ cups prepared country gravy store-bought or homemade
🧂 Aides culinaires et épices:
  • 10 oz refrigerated biscuit dough cut into pieces (about 1 standard can)
🧈 Produits laitiers:
  • 2 tbsp butter
  • 1½ cups cheddar cheese shredded
  • ½ cup whole milk
  • Optional: Use pepper jack or a cheese blend for extra flavor!

Equipment

  • Before you get started, gather these kitchen basics:
  • 9x13-inch baking dish
  • Large skillet
  • Mixing bowls
  • Whisk
  • Measuring cups and spoons
  • Spatula
  • Oven mitts

Method
 

Step 1: Preheat Oven
  1. Preheat your oven to 375°F (190°C). Grease a 9x13-inch baking dish with butter or nonstick spray.
Step 2: Cook the Sausage Mixture
  1. In a large skillet over medium heat:
  2. Add 1 lb breakfast sausage and ½ chopped onion. Cook until browned and crumbly (about 6–8 minutes).
  3. Stir in 1 tsp oregano for a herbaceous boost.
  4. Drain any excess grease and set aside.
Step 3: Prepare the Biscuits
  1. Cut 10 oz refrigerated biscuit dough into quarters (bite-sized pieces).
  2. Spread the pieces evenly across the bottom of the greased baking dish.
Step 4: Whisk the Eggs
  1. In a medium mixing bowl, whisk together:
  2. 5 eggs
  3. ½ cup whole milk
  4. Season lightly with salt and pepper, if desired.
Step 5: Layer the Casserole
  1. Layer as follows:
  2. Biscuit pieces on the bottom
  3. Sausage and onion mixture evenly over biscuits
  4. Pour egg mixture across the top
  5. Drizzle 1½ cups country gravy over everything
  6. Sprinkle 1½ cups cheddar cheese on top
  7. Optional: Add extra gravy or cheese on top for a gooier, cheesier finish.
Step 6: Bake
  1. Bake uncovered at 375°F for 30–35 minutes, or until the biscuits are cooked through and the cheese is melted and golden.
  2. To check doneness, insert a knife into the center — it should come out clean with no raw egg.
Step 7: Rest & Serve
  1. Let the casserole rest for 5 minutes before slicing. This helps everything firm up and makes it easier to serve.
  2. Serve with hot sauce, more gravy, or a side of fresh fruit for a balanced brunch plate.

Notes

🧊 Storage & Reheating
Storage:
Refrigerate leftovers in an airtight container for up to 4 days
Freezing:
Freeze individual slices wrapped tightly or store the entire cooled casserole in a freezer-safe container for up to 2 months
Reheating:
Microwave: 60–90 seconds per slice
Oven: 350°F for 10–15 minutes
Air Fryer: 350°F for 5 minutes (crispy top guaranteed)
Add extra cheese or gravy before reheating for even more flavor.
🥄 Variations
Make it your own with these creative twists:
Spicy Southwest: Add chopped green chiles, cumin, and pepper jack cheese
Veggie Version: Use plant-based sausage and add sautéed spinach or mushrooms
Sweet & Savory: Mix in a little maple syrup with the sausage for a sweet twist
Cheesy Explosion: Use a cheddar-mozzarella blend or top with a cheese sauce
Holiday Special: Add turkey sausage and cranberries for a Thanksgiving brunch vibe
Tex-Mex: Swap sausage for chorizo and top with salsa and avocado slices
❓ 10 FAQs
1. Can I use homemade gravy instead of store-bought?
Yes! A simple butter, flour, milk, and sausage drippings gravy works perfectly.
2. Can I prep this ahead of time?
Absolutely. Assemble the night before, cover tightly, and refrigerate. Bake fresh in the morning.
3. How do I know the biscuits are fully cooked?
Check the center with a knife or toothpick. It should come out clean without raw dough or egg.
4. What sausage works best?
Mild or spicy breakfast sausage, turkey sausage, or even Italian sausage all work well.
5. Can I make this gluten-free?
Yes — use gluten-free biscuit dough and gluten-free gravy.
6. Can I double the recipe?
Yes, use a larger baking dish or two 9x13 pans and increase baking time slightly.
7. What kind of cheese is best?
Cheddar is classic, but try mozzarella, Colby jack, or even gouda for a twist.
8. Can I use egg whites instead of whole eggs?
Yes, use about 10 egg whites or a liquid egg substitute for a lighter option.
9. Is this freezer-friendly?
Definitely! Freeze slices for quick breakfasts or brunches. Reheat as needed.
10. Can I make it vegetarian?
Yes, just use vegetarian sausage or omit the meat and load up on veggies like mushrooms, spinach, and peppers.
🏁 Conclusion
This Biscuits and Gravy Breakfast Casserole is more than just a breakfast — it's a celebration of comfort, flavor, and ease. With layers of flaky biscuits, seasoned sausage, fluffy eggs, and melty cheese all tied together with creamy gravy, it’s no wonder this dish is a brunch favorite across kitchens everywhere.
Whether you're serving a crowd or prepping your week ahead, this dish delivers all the cozy vibes of a Southern diner with just a few simple steps. Try it once, and it’ll become your new brunch tradition.