Keto Pizza Stuffed Peppers

Featured in: Everyday Bites

These vibrant stuffed peppers deliver all the beloved flavors of pizza without the carb-heavy crust. Fresh bell pepper halves cradle a hearty filling of sugar-free marinara, melted mozzarella, Italian sausage, and crispy pepperoni. The peppers roast until tender while the cheese bubbles into golden perfection, creating a satisfying meal that fits perfectly into keto and low-carb lifestyles.

Updated on Wed, 11 Feb 2026 12:11:15 GMT
Golden-baked Keto Pizza Stuffed Peppers with melted mozzarella and crispy pepperoni in a white baking dish. Save
Golden-baked Keto Pizza Stuffed Peppers with melted mozzarella and crispy pepperoni in a white baking dish. | fryflick.com

Experience all the satisfying flavors of a classic pizza night without the carb-heavy crust. These Keto Pizza Stuffed Peppers are a brilliant, low-carb alternative that transforms vibrant bell peppers into savory vessels filled with zesty marinara, melted mozzarella, and spicy pepperoni. It is a wholesome, easy-to-make dish that delivers pure comfort in every bite.

Golden-baked Keto Pizza Stuffed Peppers with melted mozzarella and crispy pepperoni in a white baking dish. Save
Golden-baked Keto Pizza Stuffed Peppers with melted mozzarella and crispy pepperoni in a white baking dish. | fryflick.com

This recipe is perfect for busy weeknights when you want a meal that is both nutritious and satisfying. The bell peppers soften beautifully in the oven, providing a tender and slightly sweet base that pairs perfectly with the savory Italian sausage and zesty herbs. It is a family favorite that proves healthy eating never has to be boring.

Ingredients

  • Peppers: 4 large bell peppers (any color), halved and seeded
  • Filling: 1 cup sugar-free marinara sauce, 1 ½ cups shredded mozzarella cheese (divided), ½ cup mini pepperoni slices (or regular, cut into quarters), ½ cup cooked Italian sausage (crumbled, optional), ¼ cup grated Parmesan cheese, 1 tablespoon olive oil, 1 teaspoon dried Italian seasoning, ¼ teaspoon crushed red pepper flakes (optional), salt and black pepper to taste
  • Garnish: 2 tablespoons chopped fresh basil or parsley
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Instructions

Step 1: Prep the Oven
Preheat your oven to 400°F (200°C).
Step 2: Prepare the Peppers
Drizzle the bell pepper halves with olive oil and season lightly with salt and pepper. Arrange them cut-side up in a baking dish.
Step 3: Mix the Filling
In a bowl, combine the marinara sauce, 1 cup of the shredded mozzarella, cooked Italian sausage (if using), half the pepperoni, Italian seasoning, and red pepper flakes. Mix well.
Step 4: Stuff the Peppers
Spoon the filling evenly into the pepper halves.
Step 5: Add Toppings
Top each stuffed pepper with the remaining mozzarella, remaining pepperoni, and Parmesan cheese.
Step 6: First Bake
Cover the dish loosely with foil and bake for 20 minutes.
Step 7: Final Bake
Remove foil and bake an additional 10 minutes, or until the cheese is bubbly and golden and the peppers are tender.
Step 8: Garnish and Serve
Remove from the oven and let cool for 5 minutes. Garnish with fresh basil or parsley before serving.

Zusatztipps für die Zubereitung

To ensure the best texture, always preheat your oven to 400°F. Covering the baking dish with foil for the first 20 minutes is crucial—it allows the peppers to steam and soften without the cheese topping burning or becoming too tough.

Varianten und Anpassungen

For a vegetarian version, simply omit the sausage and double the pepperoni or add sautéed mushrooms for extra texture. You can also experiment with different cheeses; try swapping mozzarella for provolone or cheddar to create a different flavor profile.

Serviervorschläge

Serve these stuffed peppers alongside a crisp green salad tossed in a light vinaigrette for a complete, balanced meal. Be sure to let the peppers rest for about 5 minutes after taking them out of the oven to allow the filling to set slightly before serving.

Freshly baked Keto Pizza Stuffed Peppers topped with basil, serving a delicious low-carb dinner. Save
Freshly baked Keto Pizza Stuffed Peppers topped with basil, serving a delicious low-carb dinner. | fryflick.com

With 19 grams of protein and plenty of healthy fats, these Keto Pizza Stuffed Peppers are a nutritional powerhouse that doesn't skimp on flavor. Whether you're prepping for the week or hosting a dinner, this dish is sure to be a repeat request in your household. Enjoy your healthy pizza night!

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Recipe Guide

Can I make these stuffed peppers ahead of time?

Yes, assemble the stuffed peppers up to 24 hours in advance and store them covered in the refrigerator. Bake when ready to serve, adding a few extra minutes if baking cold.

What other proteins work well in this filling?

Beyond Italian sausage, try ground turkey, cooked bacon bits, or diced ham. For a vegetarian version, increase the pepperoni or add sautéed mushrooms and spinach.

How do I store leftovers?

Store cooled stuffed peppers in an airtight container in the refrigerator for 3-4 days. Reheat in the oven at 350°F until heated through, or microwave individual portions.

Can I freeze these stuffed peppers?

Absolutely. Flash freeze the baked peppers on a baking sheet, then transfer to freezer bags. They'll keep for 2-3 months. Thaw overnight in the refrigerator before reheating.

Which color bell peppers work best?

Red, yellow, and orange peppers offer a sweeter flavor that complements the savory filling. Green peppers work too but have a slightly bitter bite that some prefer.

How can I reduce the spice level?

Simply omit the crushed red pepper flakes. The remaining ingredients provide plenty of flavor without the heat.

Keto Pizza Stuffed Peppers

Bell peppers stuffed with savory marinara, gooey mozzarella, and pepperoni for a low-carb pizza-inspired dinner.

Prep duration
15 min
Cook duration
30 min
Complete duration
45 min
Created by Olivia Parker


Complexity Easy

Heritage American

Output 4 Portions

Dietary guidelines No gluten, Carb-Conscious

Components

Peppers

01 4 large bell peppers (any color), halved and seeded

Filling

01 1 cup sugar-free marinara sauce
02 1.5 cups shredded mozzarella cheese, divided
03 0.5 cup mini pepperoni slices
04 0.5 cup cooked Italian sausage, crumbled
05 0.25 cup grated Parmesan cheese
06 1 tablespoon olive oil
07 1 teaspoon dried Italian seasoning
08 0.25 teaspoon crushed red pepper flakes
09 Salt and black pepper to taste

Garnish

01 2 tablespoons chopped fresh basil or parsley

Method

Phase 01

Preheat oven: Preheat oven to 400°F

Phase 02

Prepare peppers: Drizzle bell pepper halves with olive oil and season lightly with salt and pepper. Arrange cut-side up in a baking dish

Phase 03

Mix filling: In a bowl, combine marinara sauce, 1 cup mozzarella, cooked Italian sausage, half the pepperoni, Italian seasoning, and red pepper flakes. Mix until well combined

Phase 04

Fill peppers: Spoon filling evenly into each pepper half

Phase 05

Top with cheese: Top each stuffed pepper with remaining mozzarella, remaining pepperoni, and Parmesan cheese

Phase 06

Initial bake: Cover dish loosely with foil and bake for 20 minutes

Phase 07

Final bake: Remove foil and bake an additional 10 minutes until cheese is bubbly and golden and peppers are tender

Phase 08

Cool and finish: Remove from oven and let cool for 5 minutes. Garnish with fresh basil or parsley before serving

Tools needed

  • Baking dish
  • Mixing bowl
  • Knife and cutting board
  • Spoon

Allergy details

Review ingredients carefully for potential allergens and seek professional medical guidance if uncertain.
  • Contains dairy (mozzarella and Parmesan cheese)
  • Pepperoni may contain soy and other additives
  • Verify marinara and sausage ingredients for hidden gluten or allergens

Nutrition breakdown (per portion)

Values shown are estimates only - please consult healthcare providers for specific advice.
  • Energy: 320
  • Fats: 22 g
  • Carbohydrates: 8 g
  • Proteins: 19 g