This chicken bubble biscuit bake casserole is pure comfort food, with tender chicken and sweet peas tucked into a creamy sauce and crowned with golden biscuit pieces that puff up like soft dumplings.

It’s a low-fuss weeknight dinner that leans on a few smart shortcuts, so you get a hot, bubbling dish on the table without a long list of steps.

What Makes This Casserole So Satisfying

The biscuit pieces turn into pillowy clouds on top while their bottoms soak up just enough of the creamy filling. Every bite gives you chunks of chicken and the mild pop of peas and carrots, all wrapped in a savory, cheesy sauce.

Sharp cheddar melts right into the base, giving it a mellow richness that balances the flaky biscuit topping. It’s the kind of dinner everyone around the table agrees on.

Ingredients

2 cups cooked shredded chicken: rotisserie chicken or leftover roasted chicken work perfectly
1 can (10.5 oz) cream of chicken soup: regular or low-sodium
1/2 cup whole milk: any milk you have on hand will do
1/4 cup sour cream: adds extra creaminess, but you can skip it
1 cup shredded sharp cheddar cheese
1 cup frozen peas and carrots: no need to thaw
1/2 teaspoon garlic powder
1/2 teaspoon onion powder
1/4 teaspoon black pepper
Salt to taste: start with 1/4 teaspoon, since the soup and cheese already bring salt
1 can (16.3 oz) refrigerated biscuit dough (8 count), quartered: cut each biscuit into 4 pieces before you start

Variations / Substitutions

Swap the protein: Shredded turkey or even well-drained canned chicken both work here.
Change the veggies: Broccoli florets, corn, or chopped green beans all hold up nicely. Keep the total around 1 cup so the filling stays balanced.
Add a little heat: Stir in a pinch of red pepper flakes or a few dashes of hot sauce with the sauce.
Make it dairy-free: Use a dairy-free cream soup and your favorite plant-based cheddar.
Go fully homemade: Whisk 2 tablespoons melted butter with 2 tablespoons all-purpose flour in a saucepan, then slowly add 1 cup chicken broth and 1/2 cup milk, stirring until thickened. Use this in place of the canned soup.

If you enjoy this one, you might also like our Chicken Pot Pie Casserole.

How to Make Chicken Bubble Biscuit Bake Casserole

Step 1: Mix the Creamy Filling

Preheat your oven to 375°F (190°C). In a large bowl, whisk together the 1 can cream of chicken soup, 1/2 cup milk, 1/4 cup sour cream, 1/2 teaspoon garlic powder, 1/2 teaspoon onion powder, 1/4 teaspoon black pepper, and 1/4 teaspoon salt until everything is smooth.

The mixture should look creamy and uniform with no visible lumps. If you prefer a slightly thinner sauce, add an extra tablespoon of milk and whisk it in.

Step 2: Fold in the Chicken and Vegetables

Add the 2 cups shredded chicken, 1 cup frozen peas and carrots, and 1 cup shredded cheddar cheese to the bowl. Fold everything together gently until the chicken and vegetables are evenly coated.

The filling will be thick and chunky, and that’s exactly what you want. The cheese will melt into the sauce as the casserole bakes, creating a creamy, savory base.

Step 3: Arrange the Biscuits on Top

Pour the chicken mixture into an ungreased 8×8-inch baking dish (a 2-quart dish works too) and spread it into an even layer. Take the quartered biscuit pieces from the 1 can of dough and scatter them over the surface in a single layer, leaving a little space between each piece so they have room to puff.

Don’t press the biscuits down. Let them rest right on the surface. As the dish bakes, the tops will turn deep golden and the bottoms will soak up some of that creamy sauce.

Step 4: Bake and Serve the Casserole

Bake the casserole for 25 to 28 minutes, until the biscuits are deep golden brown on top and the filling is bubbling vigorously around the edges. If the biscuits are browning too fast but the filling isn’t bubbling yet, loosely cover the dish with foil for the last 5 minutes.

Take the dish out of the oven and let it cool for a few minutes, then scoop generous portions onto plates and serve warm. The biscuits will be soft and fluffy, and the sauce underneath will be thick and creamy.

A Few Notes Before You Start

Rotisserie chicken saves a good chunk of prep time. Shred it while it’s still warm and it comes apart easily.
Once the biscuit pieces are on the filling, don’t stir or press them. They need to stay on the surface to brown properly.
Even if your biscuit package suggests baking at 350°F, stick with 375°F here. The extra heat helps the biscuits cook all the way through without turning doughy.
For a deeper golden top, brush the biscuit pieces with a little melted butter before the dish goes into the oven.

Bake times can vary from oven to oven. Here’s a quick guide:

Oven Type	Bake Time	What to Look For
Convection	22–25 mins	Biscuits deep golden, edges bubbly
Conventional	25–28 mins	Biscuits golden brown, sauce visibly boiling

Storing and Reheating Leftovers

Refrigerate: Keep any leftovers in an airtight container for up to 3 days. The biscuits will soften a bit, but the flavor stays great.
Reheating: Warm individual portions in the microwave, or place the casserole back in a 350°F (175°C) oven until heated through. Cover loosely with foil if the biscuit tops need protection from over-browning.

What to Serve with Chicken Bubble Biscuit Casserole

A crisp green salad with a tangy vinaigrette cuts right through the richness of the dish. Steamed green beans or roasted broccoli also work well because their slight bitterness balances the creamy filling.

Frequently Asked Questions

Can I use cream of mushroom soup instead of cream of chicken?

Yes. The flavor will shift a bit toward earthy and savory, but it pairs just as well with the chicken and biscuits.

How do I double this recipe for a larger crowd?

Use a 9×13-inch baking dish and double all the ingredients. Add about 5 extra minutes to the bake time and keep an eye on the biscuits for doneness.

My biscuits aren’t browning on top. What can I do?

If the biscuits are cooked through but still pale, switch on the broiler for the last minute or two. Watch closely so they don’t burn.