Fluffy Biscuits and Gravy Casserole

This biscuits and gravy casserole turns the classic diner breakfast into a one-dish bake that feeds a crowd. Flaky biscuit pieces soak up a peppery sausage gravy under a blanket of melted cheese, and the oven does most of the work.

I pull out this recipe when we have weekend guests or when I want a hot, hearty meal without standing over a skillet making individual plates. It goes from stovetop to 9×13-inch dish to the table in under an hour.

Why This Casserole Works

The biscuits puff up around pockets of creamy sausage gravy and melted sharp cheddar, so every bite has a little of everything. The gravy is rich and peppery, the kind that thickens as it bakes and seeps into the flaky layers.

Leftovers reheat surprisingly well, which is a bonus when you want a hot breakfast on a busy morning without starting from scratch.

Ingredients

• 1 lb pork breakfast sausage: regular or spicy, your favorite brand works here.
• 2 tbsp unsalted butter: only needed if the sausage renders very little fat; most bulk sausage gives you enough.
• 1/4 cup all-purpose flour: thickens the gravy.
• 2 1/2 cups whole milk: cold, for the smoothest gravy.
• 1/2 tsp salt: plus more to taste.
• 1/2 tsp black pepper: freshly ground, the bolder the better.
• 1/4 tsp garlic powder: optional, but it rounds out the flavor.
• pinch of cayenne pepper: adds a gentle warmth without heat.
• 1 can (16.3 oz) refrigerated buttermilk biscuits: (8 count): the flaky layered kind.
• 1 cup shredded sharp cheddar cheese: divided.

Variations / Substitutions

• Turkey Sausage: leaner, so you may need the full 2 tablespoons of butter to build the roux.
• Spicy Kick: use hot sausage and add a generous pinch of red pepper flakes along with the black pepper.
• Cheese Swap: sharp cheddar is classic, but pepper jack brings heat, and smoked gouda adds a mellow, smoky note.
• Vegetarian: replace the sausage with 2 cups of finely chopped sautéed mushrooms and a splash of soy sauce for savory depth; use vegetable broth to thin the gravy if it gets too thick.

If you enjoy this dish, you might also like our Classic Sausage Gravy recipe.

How to Make Biscuits and Gravy Casserole

Step 1: Brown the Sausage

Preheat the oven to 375°F (190°C). In a large skillet over medium-high heat, cook the 1 lb sausage, breaking it apart with a spoon, until no pink remains and it has some crispy edges, about 6-8 minutes.

The sausage should look crumbly and deeply browned in spots. That pale steamed look means the pan was crowded, so let it sit undisturbed for a minute before stirring to build color.

Step 2: Whisk the Gravy

Sprinkle the 1/4 cup flour over the cooked sausage and stir to coat. Let it cook for 1 minute to lose the raw flour taste. Slowly pour in the 2 1/2 cups cold milk while whisking, then add the 1/2 tsp salt, 1/2 tsp pepper, 1/4 tsp garlic powder, and pinch of cayenne. Bring to a gentle simmer and whisk frequently until the gravy coats the back of a spoon, 3-5 minutes.

The gravy will look thin at first, then suddenly thicken as it heats. Keep the heat low enough that it bubbles gently and you can see a trail in the pan when you drag a spoon through it.

Step 3: Assemble the Casserole

Cut each of the 8 biscuits into quarters. Spread half of the biscuit pieces in a greased 9×13-inch baking dish. Pour half the sausage gravy over them, then sprinkle half the 1 cup shredded cheese on top. Repeat with the remaining biscuits, gravy, and cheese.

You do not need a perfect layer. Some biscuits will peek through, and that is exactly what you want so they get crisp tops while soaking up sauce underneath.

Step 4: Slice and Serve

Bake the casserole for 25-30 minutes, until the biscuits are puffed and golden and the gravy is bubbling around the edges. Let it cool for 5 minutes on a rack, then slice it into squares and serve warm.

The top biscuits will be lightly browned with patches of melted cheese, and a knife should slide through easily. Each square pulls up tender biscuit, thick gravy, and gooey cheese in one scoop.

Tips for the Best Casserole

• Adding cold milk all at once and whisking steadily helps prevent lumps in the gravy.
• Do not open the can of biscuits until you are ready to cut them. The pop means they are charged and ready to rise, and the sooner they hit the oven, the fluffier they will be.
• For an extra golden top, scatter a little additional cheese over the final layer right before baking.
• If the gravy seems too thick after simmering, splash in a little more milk. It should be pourable, not pasty.

Bake times can shift slightly depending on your baking dish:

Keeping Leftovers Fresh

• Refrigerate: Cover leftover casserole and store in the fridge for up to 3 days.
• Reheating: Reheat individual slices in the microwave for 1-2 minutes, or cover the dish with foil and warm in a 350°F oven for 15 minutes until hot.

What to Serve with Biscuits and Gravy Casserole

A bright fruit salad or a bowl of fresh berries adds a sweet, tart contrast to the rich, peppery gravy. If you want to lean savory, a drizzle of hot sauce or a spoonful of salsa livens up each bite.

Frequently Asked Questions

Can I use homemade biscuits?

Yes, substitute homemade drop biscuits cut into small pieces. The bake time will increase by about 5 minutes to make sure the centers cook through.

Can I add eggs to this casserole?

Absolutely. Scramble 4 or 5 eggs and layer them between the biscuits and gravy for a fuller breakfast bake.

Can I make this ahead of time?

Yes. Assemble the casserole without baking, cover, and refrigerate up to 12 hours. When baking straight from the fridge, add 5-10 minutes to the total cook time.

What’s the best way to reheat leftovers?

Reheat individual portions in the microwave for 1-2 minutes, or pop the whole dish back into a 350°F oven for 15 minutes until warmed through.

Biscuits and Gravy Casserole Recipe

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 30 minutes mins

Total Time 45 minutes mins

Servings: 6 servings

Calories: 670

Ingredients Method Notes

Ingredients

  

• 1 lb pork breakfast sausage
• 2 tbsp unsalted butter
• 1/4 cup all-purpose flour
• 2 1/2 cups whole milk
• 1/2 tsp salt
• 1/2 tsp black pepper
• 1/4 tsp garlic powder
• pinch of cayenne pepper
• 1 can (16.3 oz) refrigerated buttermilk biscuits
• 1 cup shredded sharp cheddar cheese

Method

 

1. Preheat oven to 375°F (190°C). In a large skillet over medium-high heat, cook sausage, breaking it apart, until browned and crumbled, 6-8 minutes. Add the butter if the pan looks dry.
2. Sprinkle flour over sausage, stir and cook 1 minute. Slowly whisk in milk, then add salt, pepper, garlic powder, and cayenne. Bring to a simmer and cook, whisking, until thickened, 3-5 minutes.
3. Cut biscuits into quarters. Layer half in a greased 9×13-inch dish, top with half the gravy and half the cheese. Repeat layers.
4. Bake 25-30 minutes until biscuits are golden and gravy bubbles. Cool 5 minutes, then slice into squares and serve.

Notes

Let the casserole rest for 5 minutes before slicing so the gravy sets up enough to hold its shape. If you like extra black pepper, grind some fresh over the top before serving.