Keto Mozzarella Crust Pepperoni, Mushroom & Pineapple Pizza

There are pizza nights when everyone wants something a little different, and then there are pizza nights when you just want to make one pizza that makes everybody happy.

This Keto Mozzarella Crust Pepperoni, Mushroom & Pineapple Pizza has become one of my favorite ways to do exactly that.

The crust is made with melted mozzarella and a few simple ingredients instead of traditional flour, so it gets wonderfully cheesy and crisp around the edges.

Then comes the fun part: tangy pizza sauce, bubbling mozzarella, savory pepperoni, earthy mushrooms, and little bites of sweet pineapple.

I know pineapple on pizza can be a controversial subject.

In my house, though, it’s always been a favorite.

I made this one weekend when we were craving pizza but wanted to keep things low-carb.

I had pepperoni and mushrooms in the refrigerator, and there was a little container of pineapple left from another meal.

I figured, why not?

I made the mozzarella crust, layered everything on top, and popped it into the oven.

The smell was incredible.

When the cheese started bubbling and the pepperoni edges curled up, everyone suddenly appeared in the kitchen asking when dinner would be ready.

The combination of salty pepperoni, creamy melted cheese, mushrooms, and sweet pineapple was such a hit that there wasn’t a single slice left.

Now this is the pizza I make when I’m craving that classic sweet-and-savory combination but don’t want the carb-heavy crust.

Prep Time: 15 minutes
Cook Time: 20–25 minutes
Total Time: About 40 minutes
Servings: 4–6 slices

Why You’ll Love This Keto Pizza

• Low-carb and keto-friendly
• No traditional flour crust
• Crispy, cheesy edges
• Loaded with classic pizza toppings
• Sweet and savory flavor
• Easy to customize
• Great for pizza night
• Family-friendly
• Ready in under an hour

Ingredients

For the Mozzarella Crust

• 2 cups shredded low-moisture mozzarella cheese
• 2 tablespoons cream cheese
• 1 large egg
• ½ cup finely grated Parmesan cheese
• ½ teaspoon garlic powder
• ½ teaspoon Italian seasoning
• ¼ teaspoon salt

For the Toppings

• ½ cup low-sugar pizza sauce
• 1½ cups shredded mozzarella cheese
• 3 oz pepperoni slices
• ½ cup sliced mushrooms
• ½ cup pineapple, cut into small pieces and well drained
• ½ teaspoon Italian seasoning
• Fresh basil, optional
• Red pepper flakes, optional

Important Note About Pineapple on Keto

Pineapple contains more natural sugar and carbohydrates than many traditional keto-friendly pizza toppings.

If you’re following a strict ketogenic diet, use a small amount and account for it in your daily carbohydrate total.

For a lower-carb option, reduce the pineapple or replace it with a small amount of diced bell pepper for sweetness and color.

How to Make Keto Mozzarella Crust Pizza

Step 1: Preheat the Oven

Preheat your oven to 220°C (425°F).

Line a large baking sheet or pizza pan with parchment paper.

Step 2: Make the Mozzarella Crust

Place the shredded mozzarella and cream cheese in a microwave-safe bowl.

Microwave in 20–30 second intervals, stirring between each interval, until the cheese is melted and smooth.

Be careful—the cheese will be hot.

Let it cool for a minute or two.

Add the egg, Parmesan, garlic powder, Italian seasoning, and salt.

Mix everything together until a soft, sticky dough forms.

If the mixture becomes difficult to work with, allow it to cool slightly.

Step 3: Shape the Crust

Transfer the cheese mixture to the prepared baking sheet.

Place another sheet of parchment paper on top.

Press or roll the mixture into a round pizza crust approximately ¼-inch thick.

Try to keep the thickness fairly even.

For crispier edges, make the outer edge slightly thicker.

Step 4: Pre-Bake the Crust

Remove the top piece of parchment.

Bake the crust for approximately 8–10 minutes, until the edges are golden and the center is set.

For an extra-crispy crust, carefully flip the crust and bake for another 2–3 minutes.

Step 5: Add the Sauce

Remove the crust from the oven.

Spread the pizza sauce evenly over the surface, leaving a small border around the edges.

Don’t use too much sauce.

Too much moisture can make a cheese crust softer.

Step 6: Add the Cheese

Sprinkle the shredded mozzarella evenly over the sauce.

Step 7: Add the Toppings

Arrange the pepperoni, mushrooms, and drained pineapple over the cheese.

Sprinkle with Italian seasoning.

Add red pepper flakes if you like a little heat.

Step 8: Bake Again

Return the pizza to the oven.

Bake for approximately 8–12 minutes, until the cheese is melted and bubbling and the pepperoni is lightly crisp around the edges.

For extra browning, broil for 1–2 minutes at the end.

Watch it carefully because the cheese can brown very quickly.

Step 9: Rest Before Slicing

Let the pizza rest for approximately 5 minutes before slicing.

This helps the crust firm up so you can pick up the slices more easily.

Finish with fresh basil if desired.

My Best Tips for a Crispy Mozzarella Crust

Use Low-Moisture Mozzarella

Fresh mozzarella contains a lot of water and can make the crust too wet.

Shredded, low-moisture mozzarella is much better.

Don’t Make the Crust Too Thick

A thinner crust cooks more evenly and develops crispier edges.

Drain the Pineapple Well

Extra liquid is the enemy of a crispy crust.

Press the pineapple gently with paper towels before adding it.

Don’t Overload the Pizza

It can be tempting to pile on every topping.

But too many wet toppings can make the crust soft.

Let It Rest

Give the pizza a few minutes before slicing.

The cheese crust becomes firmer as it cools.

What Kind of Pepperoni Should I Use?

Any favorite pepperoni works.

For a crispier finish, use thinly sliced pepperoni.

For a meatier pizza, use thicker slices.

You can also arrange a few slices directly on top of the cheese so the edges crisp beautifully.

Can I Use Fresh Mushrooms?

Yes.

Thinly slice them so they cook quickly.

For an even firmer crust, sauté the mushrooms for a few minutes first to remove some of their moisture.

Can I Use Fresh Pineapple?

Absolutely.

Fresh pineapple has wonderful flavor.

Just cut it into small pieces and pat it dry before adding it to the pizza.

Can I Make This Without Pineapple?

Definitely.

Try replacing it with:

• Bell peppers
• Jalapeños
• Black olives
• Bacon
• Sausage
• Caramelized onions

Or simply make a classic pepperoni and mushroom pizza.

Can I Make the Crust Without Cream Cheese?

Yes.

The cream cheese adds tenderness and helps bind the crust, but you can experiment with additional mozzarella and Parmesan.

Can I Use Almond Flour?

Yes.

If you prefer a more traditional fathead-style crust, add approximately ¾ cup almond flour to the melted cheese mixture and adjust the egg as needed.

The resulting crust will be slightly more bread-like.

Can I Make This Keto Pizza Dairy-Free?

A true mozzarella crust relies heavily on cheese, so making it dairy-free requires a different crust recipe.

You can use a dairy-free mozzarella-style cheese, but the texture may vary considerably.

Can I Make It Gluten-Free?

Yes.

The mozzarella crust contains no wheat flour.

Always check packaged pepperoni, pizza sauce, and seasonings for gluten-containing additives if you’re avoiding gluten strictly.

Delicious Variations

Hawaiian Keto Pizza

Keep the pepperoni and pineapple, but add a little cooked ham.

Spicy Pineapple Pizza

Add jalapeños and crushed red pepper flakes.

The heat with the pineapple is fantastic.

Bacon Pineapple Pizza

Replace some of the pepperoni with crispy bacon.

BBQ Chicken Pineapple Pizza

Use a low-sugar barbecue sauce instead of pizza sauce and add shredded chicken.

Supreme Keto Pizza

Add:

• Pepperoni
• Mushrooms
• Bell peppers
• Olives
• Sausage

Just don’t overload the crust.

Can I Make the Crust Ahead?

Yes.

Bake the crust completely, allow it to cool, and refrigerate it in an airtight container for up to 3 days.

When you’re ready to make pizza, add your toppings and bake until hot and bubbly.

Can I Freeze the Pizza?

Yes.

For the best results, freeze the baked crust separately before adding toppings.

Wrap it tightly and freeze for up to 2 months.

You can also freeze individual cooked slices.

Storage

Store leftover pizza in an airtight container in the refrigerator for up to 3–4 days.

Place parchment paper between slices if stacking them.

How to Reheat

For the crispiest result, reheat slices in the air fryer at 180°C (350°F) for approximately 3–5 minutes.

You can also reheat in a skillet over medium-low heat.

The microwave works for convenience but won’t keep the crust as crisp.

What to Serve With Keto Pizza

Since this pizza is rich and cheesy, I like serving it with something fresh.

Try:

• Caesar salad
• Cucumber salad
• Tomato salad
• Arugula salad
• Roasted broccoli
• Garlic green beans
• Avocado salad

A crisp salad with lemon dressing is especially good alongside it.

Nutritional Information

Approximate per serving, based on 6 slices and including the listed pineapple:

• Calories: 390
• Protein: 24g
• Fat: 29g
• Total Carbohydrates: 9g
• Fibre: 1g
• Net Carbohydrates: 8g

Nutrition values are estimates and can vary substantially depending on the pizza sauce, cheese, pepperoni, and amount of pineapple used.

Frequently Asked Questions

Why is my keto pizza crust soft?

The most common causes are too much moisture, too much sauce, or a crust that’s too thick. Use low-moisture mozzarella and drain your toppings thoroughly.

Why did my crust stick to the parchment?

Let the crust cool slightly before trying to lift it. You can also lightly grease the parchment.

Can I make the crust crispy?

Yes. Keep it relatively thin and pre-bake it until golden before adding toppings.

Can I use coconut flour?

You can, but coconut flour absorbs much more liquid than almond flour, so it requires a different ratio.

Does pineapple work on keto?

Pineapple can fit into some lower-carb diets in small portions, but it is not a particularly low-carb fruit. If you’re following strict keto, use it sparingly.

Can I use a different cheese?

Yes. Provolone, Monterey Jack, or a mozzarella-provolone combination can work well.

How do I prevent watery mushrooms?

Sauté them first or slice them thinly and use a moderate amount.

Final Thoughts

This Keto Mozzarella Crust Pepperoni, Mushroom & Pineapple Pizza is proof that low-carb pizza night doesn’t have to feel like a compromise.

The crust is cheesy and crisp.

The pepperoni gets those delicious curled, browned edges.

The mushrooms add savory depth.

And then you get those little bites of sweet pineapple cutting through all that richness.

It’s one of those combinations that somehow works even better when everything is bubbling hot from the oven.

I especially love making this on weekends.

There’s something fun about putting a pizza in the middle of the table and letting everyone grab a slice while it’s still warm.

And yes, I know pineapple pizza can start an argument.

But if you’ve never tried sweet pineapple with salty pepperoni and earthy mushrooms on a crispy cheese crust, this is a pretty good place to start.

Just remember the golden rules:

Use low-moisture cheese. Drain your toppings. Don’t overload the crust. And let the pizza rest before slicing.

Then grab a slice while it’s hot.

And if somebody reaches for the last piece before you’ve had seconds?

Well, you may want to make two pizzas next time.

Because one might not be enough. 🍕🧀🍍🍄