This Bubble Up Biscuit Pizza Casserole is the ultimate weeknight win. We’re talking golden, fluffy biscuit pieces baked into a rich pizza sauce, loaded with gooey mozzarella and your favorite toppings. It’s the satisfying flavor of pizza with the comforting ease of a casserole.

For families that love a simple, cheesy bake, this dish delivers every time, much like our fan-favorite Cheesy Chicken Casserole Recipe. Get ready for a new staple in your dinner rotation.

The “Bubble Up” Method: Why It Works

The magic of this recipe is in the name. “Bubble Up” refers to how the refrigerated biscuit dough puffs up and bakes around the other ingredients, creating a soft, bread-like layer throughout the casserole.

Steam Power: As the biscuit dough heats, the moisture inside turns to steam. This steam inflates the dough, creating air pockets.
Even Cooking: Cutting the biscuits into quarters ensures they cook through evenly, avoiding a doughy center.
Flavor Infusion: The dough absorbs the pizza sauce and seasonings as it bakes, infusing every bite with flavor. It’s a structurally efficient way to build a savory, pull-apart bake.

Casserole Customization Engine

This base recipe is a blank canvas. Engineer your perfect pizza casserole using these proven combinations. The core is always the same: biscuits, sauce, and cheese. The rest is up to you.

Supreme: Pepperoni, cooked Italian sausage, diced green bell pepper, sliced black olives, and chopped red onion.
Meat Lover’s: Cooked ground beef, crumbled Italian sausage, pepperoni, and diced ham. Pro Tip: Ensure all meats are pre-cooked and drained of excess grease.
Veggie Deluxe: Diced bell peppers (multiple colors for visual appeal), mushrooms, black olives, and red onion. For a different kind of quick weeknight meal, you could also try this vibrant Poke Bowl with Seared Salmon.
Hawaiian: Diced ham and pineapple chunks. Pro Tip: Pat the pineapple very dry with a paper towel to prevent a watery casserole.
Margherita: Keep it simple. Use a high-quality marinara, fresh mozzarella pearls instead of shredded, and top with fresh basil leaves after baking.
Buffalo Chicken: Swap the pizza sauce for a mix of ranch dressing and buffalo sauce. Use shredded rotisserie chicken and top with mozzarella and a drizzle of extra buffalo sauce.

Step-by-Step Instructions

Prep Time: 10 minutes

Cook Time: 25-30 minutes

Total Time: 35-40 minutes

Yields: 6-8 servings

Ingredients

2 cans (16.3 oz each) refrigerated biscuit dough (like Pillsbury Grands!)
1 lb ground Italian sausage or beef (optional, cooked and drained)
1 jar (24 oz) pizza or marinara sauce
2 cups shredded mozzarella cheese, divided
1 cup of your favorite pizza toppings (pepperoni, cooked veggies, olives, etc.)
1 tsp Italian seasoning
1/2 tsp garlic powder
2 tbsp melted butter (optional, for the topping)
1 tbsp grated Parmesan cheese (optional, for the topping)

The Build Process

Preheat & Prep: Preheat your oven to 375°F (190°C). Grease a 9×13 inch baking dish.
Biscuit Prep: Open the cans of biscuit dough. Using a knife or kitchen shears, cut each biscuit into quarters. Place the pieces in a large mixing bowl.
Combine Ingredients: Add the pizza sauce, 1.5 cups of the mozzarella cheese, cooked sausage (if using), your chosen toppings, Italian seasoning, and garlic powder to the bowl with the biscuit pieces.
Mix Gently: Use a spatula to gently fold everything together until the biscuit pieces are evenly coated. Do not overmix. The goal is to coat, not crush.
Assemble Casserole: Pour the mixture into your prepared baking dish and spread it into an even layer.
Top It Off: Sprinkle the remaining 1/2 cup of mozzarella cheese over the top. If you have extra pepperoni, arrange it on top now.
Bake: Place the dish in the preheated oven. Bake for 25-30 minutes, or until the top is golden brown and bubbly and the biscuit dough is cooked through. You can test for doneness by inserting a toothpick into a biscuit piece in the center; it should come out clean.
Final Touch (Optional): In the last 2-3 minutes of baking, brush the top with melted butter and sprinkle with Parmesan cheese for an extra-crispy, savory crust.
Rest: Let the casserole rest for 5-10 minutes before serving. This allows it to set up, making it easier to cut and serve.

Pro Tips for a Perfect Bake

A few small adjustments can elevate this simple dish from good to great.

Don’t Drown the Dough: Use enough sauce to coat, but don’t turn it into a soup. Too much liquid will make the biscuits soggy. The standard 24 oz jar is typically perfect.
Drain Everything: Any ingredient with excess moisture (mushrooms, pineapple, sausage) should be cooked and/or drained well. Moisture is the enemy of a fluffy biscuit.
Single Layer is Key: Ensure the biscuit pieces are mostly in a single layer in the baking dish. This promotes even cooking and the signature “bubble up” effect.
Tent with Foil: If your cheese and toppings are browning too quickly but the biscuits aren’t cooked, loosely tent the dish with aluminum foil for the remainder of the bake time.
Serve Smart: This casserole is a fantastic main course. Pair it with a simple side salad. For an easy appetizer to serve while it bakes, try these incredible Prosciutto Wrapped Mozzarella Bites.

Storage & Reheating Blueprint

This casserole is an excellent candidate for meal prep or a planned-leftovers night.

Refrigeration: Store leftovers in an airtight container in the refrigerator for up to 3 days.
Reheating (Oven): For best results, reheat individual portions in a 350°F oven for 10-15 minutes, or until warmed through. Covering with foil prevents drying out.
Reheating (Microwave): For a quick option, microwave a serving for 60-90 seconds. The texture of the biscuits will be softer than when fresh, but the flavor remains excellent.
Freezing: You can freeze the baked casserole. Let it cool completely, then cover tightly with plastic wrap and foil. Freeze for up to 2 months. Thaw overnight in the refrigerator before reheating in the oven.

COMMON MISTAKES TO AVOID

Mistake: A soggy, wet bottom layer. Fix: Thoroughly drain all cooked meats and pat high-moisture vegetables (like mushrooms or pineapple) dry with a paper towel before adding them to the mix.
Mistake: Undercooked, doughy biscuit centers. Fix: Don’t overcrowd the pan. Ensure the biscuit pieces are spread in a relatively even layer. Test for doneness with a toothpick in the center of the casserole before removing it from the oven.
Mistake: The cheese on top burns before the center is cooked. Fix: Add the final layer of cheese only in the last 10-15 minutes of baking. Alternatively, if you notice it browning too fast, tent the dish with foil.

FAQ

Q: Can I use homemade biscuit dough for this recipe?

A: Yes, but the texture and cook time may vary. Canned refrigerated biscuits are formulated to be light and flaky and “bubble up” predictably. If using homemade dough, drop spoonfuls into the mix rather than pre-cut pieces.

Q: How do I make this ahead of time?

A: You can assemble the entire casserole (without baking), cover it tightly, and refrigerate it for up to 24 hours. You may need to add 5-10 minutes to the bake time since it will be starting from cold.

Q: Can I use different types of cheese?

A: Absolutely. A mix of mozzarella and provolone adds a classic pizza parlor flavor. A sprinkle of sharp cheddar or a Monterey Jack blend also works wonderfully. Experiment to find your perfect combination. For a truly decadent dessert to follow, you could try these Mini Berry Pavlovas.

NUTRITIONAL SNAPSHOT

Nutrient	Amount per Serving
Calories	480 kcal
Protein	22g
Fat	25g
Net Carbs	39g
Fiber	2g
Sugar	9g

*Estimates are based on a recipe with Italian sausage and pepperoni, divided into 8 servings.*

If you’re looking for another show-stopping dessert for a special occasion, this Caramel Vanilla Mille Crepe Cake is a fantastic project.