Pizza cravings do not disappear just because you are cutting back on carbs. This keto pepperoni mozzarella recipe brings together melted cheese, crispy pepperoni, Italian seasoning, and rich tomato sauce in a simple crustless pizza bake. No dough, no complicated preparation, and very little cleanup.

The best part is the texture. The mozzarella turns golden around the edges while the pepperoni becomes slightly crisp on top. A small amount of sauce adds familiar pizza flavor without making everything soggy.

Ready in about 25 minutes, this recipe works for a quick lunch, an easy dinner, or a warm low-carb snack.

You only need a handful of ingredients and a small baking dish. Here is how to make it.

What Makes This Keto Pepperoni Mozzarella So Good?

The combination of pepperoni and mozzarella works because each ingredient brings something different. Pepperoni adds smoky, salty flavor, while mozzarella melts into a soft, stretchy layer.

A little Parmesan gives the bake a sharper, more savory finish. Italian seasoning and garlic powder make the dish taste like pizza without needing a long list of spices.

Unlike a traditional pizza, this version has no bread crust. The bottom stays soft and cheesy, while the top develops lightly browned edges. It is closer to a crustless pizza casserole than a slice you can hold in your hand.

Ingredients

Main Ingredients

• 2 cups shredded low-moisture mozzarella cheese
• 3 ounces sliced pepperoni
• ⅓ cup no-added-sugar pizza sauce
• ¼ cup freshly grated Parmesan cheese
• ½ teaspoon Italian seasoning
• ¼ teaspoon garlic powder
• ¼ teaspoon red pepper flakes (optional)
• 1 teaspoon olive oil, for greasing the dish

Ingredient Notes

• Mozzarella: Choose low-moisture mozzarella because fresh mozzarella releases more water during baking.
• Pepperoni: Regular or turkey pepperoni works. Check the nutrition label for added sugars and carbohydrates.
• Pizza sauce: Look for a no-added-sugar variety with a short ingredient list. Even unsweetened tomato sauce contains some natural carbohydrates.
• Parmesan: Freshly grated Parmesan adds flavor and helps the top develop a lightly golden finish.
• Italian seasoning: A simple blend of oregano, basil, and other dried herbs gives the bake its familiar pizza aroma.

Optional Add-ins

• ¼ cup sliced mushrooms
• 2 tablespoons sliced black olives
• ¼ cup diced bell peppers
• ¼ cup chopped baby spinach
• 2 tablespoons cooked crumbled sausage
• A pinch of chili flakes for extra heat

For Serving

• Fresh basil leaves
• Extra Parmesan
• Warm no-added-sugar marinara sauce
• Chopped parsley
• A small green salad
• Cucumber slices or roasted vegetables

Best Cheese for Keto Pepperoni Mozzarella

Low-moisture, whole-milk mozzarella is an excellent choice for this recipe. It melts smoothly and creates a rich, stretchy texture without releasing as much liquid as fresh mozzarella.

Part-skim mozzarella also works if you prefer a slightly lighter option.

For more flavor, combine mozzarella with a little Parmesan or provolone. Avoid adding too much cheese, though, because a very thick layer can become greasy before the center heats through.

How to Make Keto Pepperoni Mozzarella

Step 1: Prepare the Baking Dish

Preheat your oven to 375°F (190°C).

Lightly grease an 8-inch square baking dish with olive oil. Measure the sauce, cheese, pepperoni, and seasonings before assembling.

If you are adding vegetables, pat them dry to remove excess moisture.

Step 2: Build the First Layer

Spread the pizza sauce evenly across the bottom of the prepared dish.

Sprinkle one cup of mozzarella over the sauce. Arrange half the pepperoni slices across the cheese, making sure they are distributed evenly.

Add any optional vegetables at this stage.

Step 3: Add the Remaining Cheese and Pepperoni

Sprinkle the remaining mozzarella over the first layer.

Arrange the rest of the pepperoni on top, then finish with Parmesan, Italian seasoning, garlic powder, and red pepper flakes if using.

Keeping some pepperoni exposed helps the edges become crisp during baking.

Step 4: Bake Until Golden and Bubbly

Bake uncovered for approximately 15–20 minutes, until the cheese is completely melted and the edges are lightly golden.

For a crispier top, broil for 1–2 minutes while watching closely. Let the bake rest for 3–5 minutes before serving.

The cheese needs a short resting time to settle. Cutting into it immediately can make the melted layers spread across the plate instead of holding together.

One useful detail is how much moisture can change the finished texture. A small amount of sauce creates plenty of pizza flavor, but adding too much can leave liquid underneath the cheese. The same happens with watery vegetables. Keeping the toppings dry and using low-moisture mozzarella makes the difference between a pleasantly cheesy bake and one that needs to be eaten with a spoon.

My Pro Tips & Kitchen Notes

• Use low-moisture mozzarella. Fresh mozzarella releases water, which can make the finished bake soggy.
• Choose a thick pizza sauce. Thin sauce creates excess liquid underneath the cheese.
• Keep pepperoni near the surface. Exposed slices become slightly crisp instead of staying soft between the cheese layers.
• Avoid overcrowding with vegetables. Mushrooms, spinach, and peppers release moisture as they cook. Use small amounts or sauté them first.
• Let the bake rest before serving. A few minutes allow the cheese to settle, making portioning easier.

Make Ahead Tips

You can assemble the entire dish up to 24 hours ahead. Cover tightly and refrigerate until ready to bake.

If baking directly from the refrigerator, allow a few additional minutes for the center to heat thoroughly.

For individual portions, divide the ingredients among small oven-safe ramekins. This makes serving easier and gives everyone their own cheesy pizza bake.

Alternative Cooking Methods

Air fryer: Assemble the ingredients in a small air-fryer-safe baking dish. Cook at 350°F (177°C) for approximately 8–12 minutes, until the cheese is melted and bubbling.

Stovetop: Add the ingredients to a small nonstick skillet, cover, and cook over low heat until the cheese melts. The top will be softer than the oven version.

Microwave: Assemble a single serving in a microwave-safe dish. Heat in short intervals until the cheese is melted and the center is hot.

The oven method gives the most consistent golden edges and lightly crisp pepperoni.

Recipe Variations

• Spicy pizza bake: Add jalapeños, crushed red pepper, or a little hot sauce.
• Supreme-style: Include small amounts of cooked sausage, mushrooms, olives, and bell peppers.
• Extra-protein version: Add cooked chicken or lean ground turkey.
• Vegetarian option: Skip the pepperoni and use mushrooms, olives, spinach, and extra Italian seasoning.
• Kid-friendly version: Leave out the chili flakes and serve the pizza sauce on the side.

Ingredient Swaps

Common Mistakes to Avoid

Using too much sauce: Extra liquid prevents the cheese from holding together. Measure the sauce rather than pouring freely.

Choosing fresh mozzarella: Its moisture can make the bake watery. Use low-moisture shredded mozzarella instead.

Adding raw, watery vegetables: Mushrooms and spinach release liquid during baking. Cook and drain them first.

Overbaking: Cheese can separate and become oily. Remove the dish when the top is bubbling and lightly golden.

Skipping the resting time: Hot cheese spreads easily. Wait a few minutes before portioning.

What to Serve With

A simple green salad with olive oil and lemon dressing balances the richness of the cheese and pepperoni.

Roasted broccoli, sautéed zucchini, cucumber salad, or garlic mushrooms also work well as low-carb sides.

For dipping, serve a small bowl of warm no-added-sugar marinara. Sparkling water with lemon or unsweetened iced tea makes a refreshing drink alongside it.

For a refreshing side dish that balances this cheesy bake, try serving it alongside a fresh crispy cucumber strawberry salad.

Storage & Freezing Tips

Refrigerator: Store cooled leftovers in an airtight container for up to 3–4 days.

Freezer: Freeze individual portions for up to 2 months for best quality. The cheese may release some moisture after thawing.

Reheating: Warm in an oven or air fryer at 350°F (177°C) until thoroughly heated. This helps restore some of the texture.

Microwaving also works, although the pepperoni will become softer.

Refrigerate leftovers within two hours of cooking.

Estimated Nutrition

Approximate nutrition per serving, based on four servings:

Frequently Asked Questions

Cook’s Tip

For the best pizza-style finish, keep the final layer of pepperoni above the mozzarella rather than burying every slice underneath. Direct oven heat helps the edges crisp while the cheese stays soft and melted below.

Conclusion

Keto pepperoni mozzarella is a simple way to enjoy familiar pizza flavors without preparing a traditional crust. The combination of melted mozzarella, savory pepperoni, Parmesan, Italian herbs, and a little tomato sauce creates a satisfying dish with very little effort.

It works for a quick lunch, a family dinner, or a warm snack when you want something cheesy and comforting. Add vegetables for variety, use turkey pepperoni if preferred, or prepare individual portions for easier serving.

Keep the sauce light, choose low-moisture cheese, and allow a short resting time after baking. Those small details help the finished dish taste as good as it looks.

Keto Pepperoni Mozzarella

A simple crustless pizza bake made with melted mozzarella, savory pepperoni, Parmesan, Italian seasoning, and no-added-sugar pizza sauce. This easy low-carb recipe is ready in approximately 25 minutes.

Print Recipe Pin Recipe

Prep Time 5 minutes mins

Cook Time 20 minutes mins

Total Time 25 minutes mins

Course Snack, Appetizer

Cuisine American, Italian-inspired

Servings 4

Calories 340 kcal

Equipment

• 8-inch square baking dish
• Measuring cups
• Measuring spoons
• Spatula
• Oven mitts

Ingredients

  

• 2 cups shredded low-moisture mozzarella cheese
• 3 ounces sliced pepperoni
• ⅓ cup no-added-sugar pizza sauce
• ¼ cup freshly grated Parmesan cheese
• ½ teaspoon Italian seasoning
• ¼ teaspoon garlic powder
• ¼ teaspoon red pepper flakes optional
• 1 teaspoon olive oil for greasing

Instructions

 

• Preheat the oven to 375°F (190°C). Lightly grease an 8-inch square baking dish with olive oil.

  Spread the pizza sauce evenly across the bottom of the dish.

  Sprinkle 1 cup mozzarella over the sauce, then arrange half the pepperoni slices on top.

  Add the remaining mozzarella and pepperoni.

  Sprinkle with Parmesan, Italian seasoning, garlic powder, and optional red pepper flakes.

  Bake uncovered for 15–20 minutes, until the cheese is melted and the edges are lightly golden.

  For crispier pepperoni, broil for 1–2 minutes while watching closely.

  Let rest for 3–5 minutes before serving.

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