If you love classic Southern comfort food, you’ll adore this Biscuits and Gravy Breakfast Casserole — it combines fluffy, flaky biscuit pieces with savory breakfast sausage and creamy country gravy, all baked together with eggs and melty cheddar cheese. It’s the ultimate make-ahead brunch dish that’s perfect for feeding a crowd or enjoying on a leisurely weekend morning.
This casserole takes all the best parts of the traditional biscuits and gravy breakfast and simplifies the process by baking everything in one dish. Whether it’s a holiday brunch, a family gathering, or a cozy weekend breakfast, this dish will impress with its rich flavors and satisfying textures.
Why You’ll Love This Recipe
- One-pan convenience: No fussing over separate biscuits and gravy — everything cooks together for easy prep and cleanup.
- Flavor-packed: The savory breakfast sausage and aromatic onions add deep flavor, while the cheddar cheese adds gooey richness.
- Customizable: Easily swap out sausage for turkey or a vegetarian alternative, or add veggies like mushrooms or bell peppers.
- Make-ahead friendly: Prepare it the night before, refrigerate overnight, then bake fresh in the morning.
- Crowd-pleaser: This casserole serves about 12, making it perfect for large families or brunch parties.
Ingredients Breakdown
- Butter & Onion: Sautéed together for a sweet, caramelized base that complements the sausage.
- Refrigerated Biscuit Dough: Saves time and adds fluffy, flaky biscuit pieces that soak up the flavors of the casserole.
- Breakfast Sausage: The star savory ingredient. Choose your favorite brand or type (mild, spicy, or even vegetarian).
- Eggs & Milk: Bind the casserole together, creating a custardy texture that’s rich but light.
- Oregano: Adds a subtle herbal note that enhances the overall flavor without overpowering.
- Cheddar Cheese: Melts into the casserole for a creamy, cheesy finish.
- Country Gravy: Traditional sausage gravy poured on top right before serving makes every bite extra indulgent.
Step-by-Step Instructions
1. Prep Your Baking Dish and Ingredients
Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish generously with butter or non-stick spray to prevent sticking.
2. Sauté Onion and Sausage
In a large skillet, melt butter over medium heat. Add diced onion and cook for about 5 minutes until softened and golden. Add the breakfast sausage and cook, breaking it up with a spatula until browned and cooked through (about 7–10 minutes). Drain off any excess grease to avoid a greasy casserole.
3. Assemble the Base
Cut the refrigerated biscuit dough into bite-sized pieces and spread them evenly in the bottom of the prepared baking dish. Top the biscuit pieces evenly with the cooked sausage and onion mixture.
4. Make the Egg Mixture
In a medium bowl, whisk together the eggs, whole milk, and oregano until smooth. Pour this custard mixture evenly over the biscuit and sausage layers, allowing it to soak in.
5. Add Cheese and Bake
Sprinkle shredded cheddar cheese generously over the top. Place the dish in the oven and bake for 45–50 minutes or until the casserole is golden brown and the egg mixture is fully set (test by inserting a knife in the center—if it comes out clean, it’s done).
6. Serve with Country Gravy
Once baked, remove from oven and spoon warm country gravy over the casserole just before serving. The gravy adds the iconic biscuits and gravy flavor and ties the dish together beautifully.
Pro Tips for the Best Casserole
- Use fresh biscuits if preferred: Homemade or canned biscuit dough works too, just cut into pieces.
- Add veggies: Toss in diced bell peppers, mushrooms, or spinach with the sausage for added nutrition.
- Make it vegetarian: Substitute sausage with plant-based sausage or cooked seasoned tofu.
- Make it ahead: Assemble the casserole the night before, cover tightly, and refrigerate. Bake fresh in the morning—just add 5-10 minutes to the baking time.
- Leftovers: Store leftovers in an airtight container in the fridge for up to 3 days. Reheat in the oven or microwave.
Serving Suggestions
- Serve with fresh fruit or a side salad for a balanced brunch.
- Pair with your favorite breakfast beverages like freshly brewed coffee, orange juice, or mimosas.
- Add hot sauce or salsa on the side for a spicy kick.
Nutrition Facts (approximate per serving)
- Calories: 350–400
- Protein: 18g
- Carbs: 20g
- Fat: 25g
Final Thoughts
This Biscuits and Gravy Breakfast Casserole perfectly blends traditional comfort flavors with easy, modern prep. It’s an inviting dish that will fill your kitchen with cozy aromas and keep everyone coming back for seconds. Whether it’s for a holiday brunch or a weekend family breakfast, this recipe is a true crowd-pleaser!