Keto stuffed bell peppers are a delicious and healthy twist on a classic comfort food. These vibrant peppers are filled with a savory mixture of ground beef, cauliflower rice, and cheese, making them a perfect low-carb meal. Whether you're following a keto diet or just looking for a nutritious dinner option, these stuffed peppers are sure to satisfy your cravings.
If you don't usually cook with cauliflower rice, you might need to look for it in the frozen vegetable section or make your own by grating fresh cauliflower. Additionally, make sure to pick up bell peppers that are large enough to hold a generous amount of filling. The rest of the ingredients like ground beef, cheddar cheese, and tomato sauce are commonly found in most supermarkets.

Ingredients For Keto Stuffed Bell Peppers
Bell peppers: These are the main vessels for the stuffing. Choose large, firm peppers in any color you prefer.
Ground beef: Provides the hearty, savory base for the stuffing. Opt for a leaner cut to keep it healthier.
Cauliflower rice: A low-carb alternative to traditional rice, adding texture and bulk to the filling.
Cheddar cheese: Adds a rich, creamy flavor to the stuffing. You can also use mozzarella if you prefer.
Garlic powder: Enhances the overall flavor with a hint of garlic.
Onion powder: Adds a subtle onion flavor without the need for fresh onions.
Salt: Essential for seasoning the filling.
Black pepper: Adds a bit of heat and depth to the flavor profile.
Tomato sauce: Brings moisture and a tangy taste to the stuffing mixture.
Technique Tip for This Recipe
When preparing the cauliflower rice, ensure it is finely chopped to mimic the texture of traditional rice. This will help it blend seamlessly with the ground beef mixture, creating a cohesive filling for the stuffed bell peppers. Additionally, when cooking the ground beef, make sure to break it up into small crumbles to ensure even cooking and better integration with the other ingredients.
Suggested Side Dishes
Alternative Ingredients
bell peppers - Substitute with zucchini boats: Zucchini boats can be hollowed out and stuffed similarly to bell peppers, providing a different but still keto-friendly vegetable base.
ground beef - Substitute with ground turkey: Ground turkey is a leaner option that still provides a good amount of protein and works well in stuffed recipes.
cauliflower rice - Substitute with broccoli rice: Broccoli rice is another low-carb vegetable option that can be used in place of cauliflower rice for a different flavor and texture.
cheddar - Substitute with parmesan: Parmesan cheese offers a strong, savory flavor and melts well, making it a good alternative to cheddar.
garlic powder - Substitute with fresh garlic: Fresh garlic provides a more robust and aromatic flavor compared to garlic powder.
onion powder - Substitute with finely chopped onions: Finely chopped onions can add a fresh and slightly sweet flavor that onion powder might lack.
salt - Substitute with soy sauce: Soy sauce can add a salty and umami flavor, but use it sparingly to avoid overpowering the dish.
black pepper - Substitute with white pepper: White pepper has a slightly different flavor profile and can be used to add a milder heat to the dish.
tomato sauce - Substitute with sugar-free marinara sauce: Sugar-free marinara sauce keeps the dish keto-friendly while providing a similar tomato-based flavor.
Other Alternative Recipes Similar to This Dish
How to Store or Freeze This Dish
Allow the stuffed bell peppers to cool completely at room temperature before storing. This helps prevent condensation, which can make the peppers soggy.
Place the cooled bell peppers in an airtight container. If stacking them, use parchment paper between layers to avoid sticking.
Store the container in the refrigerator for up to 4 days. Reheat in the oven at 350°F (175°C) for about 15-20 minutes or until heated through.
For freezing, wrap each stuffed bell pepper individually in plastic wrap or aluminum foil. This helps maintain their shape and prevents freezer burn.
Place the wrapped peppers in a freezer-safe bag or container. Label with the date to keep track of storage time.
Freeze for up to 3 months. When ready to eat, thaw the stuffed bell peppers in the refrigerator overnight.
Reheat in the oven at 375°F (190°C) for 25-30 minutes or until thoroughly heated. If the peppers seem dry, cover with foil while reheating to retain moisture.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the stuffed bell peppers in a baking dish.
- Cover the dish with aluminum foil to prevent the cheese from drying out.
- Bake for 20-25 minutes, or until the peppers are heated through and the cheese is bubbly.
Microwave Method:
- Place the stuffed bell peppers on a microwave-safe plate.
- Cover with a microwave-safe lid or another plate to trap steam.
- Heat on high for 2-3 minutes, checking halfway through to ensure even heating.
- If not heated through, continue in 30-second intervals until hot.
Stovetop Method:
- Place the stuffed bell peppers in a large skillet.
- Add a splash of water or broth to the skillet to create steam.
- Cover with a lid and heat over medium-low heat for 10-15 minutes, or until the peppers are heated through.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place the stuffed bell peppers in the air fryer basket.
- Heat for 8-10 minutes, checking halfway through to ensure even heating.
Best Tools for This Recipe
Oven: Used to bake the stuffed bell peppers at a consistent temperature of 375°F (190°C).
Large skillet: Essential for browning the ground beef and cooking the cauliflower rice mixture.
Spatula: Handy for stirring and mixing the ingredients in the skillet.
Cutting board: Provides a safe surface to cut the tops off the bell peppers and remove the seeds.
Knife: Necessary for cutting the tops off the bell peppers and any other chopping tasks.
Measuring spoons: Used to measure out the garlic powder, onion powder, salt, and black pepper accurately.
Measuring cup: Useful for measuring the cauliflower rice, shredded cheese, and tomato sauce.
Baking dish: Holds the stuffed bell peppers while they bake in the oven.
Mixing bowl: Optional but helpful for combining the ground beef mixture before stuffing the peppers.
Cheese grater: If not using pre-shredded cheese, this tool will help you grate the cheddar or mozzarella cheese.
Tongs: Useful for handling the hot stuffed bell peppers when removing them from the oven.
How to Save Time on Making This Recipe
Prepare the filling: Cook the ground beef and cauliflower rice mixture in advance and store it in the fridge. This way, you only need to stuff and bake the bell peppers when ready.
Use pre-riced cauliflower: Save time by buying pre-riced cauliflower from the store instead of making it from scratch.
Shred cheese ahead: Shred the cheddar or mozzarella cheese beforehand and keep it in an airtight container.
Preheat the oven: Start preheating the oven while you prepare the filling to save time.
Batch cooking: Double the recipe and freeze extra stuffed bell peppers for an easy meal later.

Keto Stuffed Bell Peppers
Ingredients
Main Ingredients
- 4 large bell peppers tops cut off and seeds removed
- 1 lb ground beef
- 1 cup cauliflower rice
- 1 cup shredded cheese cheddar or mozzarella
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- 1 teaspoon salt
- 0.5 teaspoon black pepper
- 1 cup tomato sauce
Instructions
- Preheat oven to 375°F (190°C).
- In a large skillet, cook ground beef over medium heat until browned. Drain excess fat.
- Add cauliflower rice, garlic powder, onion powder, salt, and black pepper to the skillet. Cook for 5 minutes.
- Stir in tomato sauce and half of the shredded cheese. Cook until cheese is melted.
- Stuff each bell pepper with the beef mixture and place in a baking dish.
- Top each stuffed pepper with remaining cheese.
- Bake in preheated oven for 25-30 minutes, until peppers are tender and cheese is bubbly.
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Recipe
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