Keto Taco Stuffed Peppers

Featured in: Comfort Food

Bright bell peppers are hollowed and filled with a savory blend of spiced ground beef featuring cumin, chili powder, and smoked paprika. After stuffing, generous cheddar cheese is layered on top before baking to a bubbly, melted finish. This dish offers a delicious low-carb option combining the fresh crispness of peppers with rich, flavorful beef and creamy cheese, perfect for a quick and satisfying meal.

Updated on Fri, 13 Feb 2026 16:26:00 GMT
Keto taco stuffed bell peppers with melted cheddar cheese and seasoned ground beef filling for a low-carb dinner. Save
Keto taco stuffed bell peppers with melted cheddar cheese and seasoned ground beef filling for a low-carb dinner. | berrycottage.com

There was a Tuesday evening when my partner complained about another boring chicken breast, and I stood at the kitchen counter staring at four vibrant bell peppers wondering if I could turn them into something that actually felt like dinner instead of just fuel. That night, I stuffed them with seasoned ground beef, topped them with melted cheddar, and watched the whole kitchen fill with this incredible savory aroma that had them hovering over the oven window like it was a campfire. It's become the meal I make when I want something impressive but honest, low-carb but completely satisfying.

I made these for my sister's first week of her keto journey, and she actually asked for the recipe instead of just saying they were good, which meant everything. The way the cheese bubbled and browned on top, the steam rising when I cut into one, how she scraped every bite of filling from the pepper skin—that moment made me realize this dish has this quiet power to make people feel cared for without any fuss.

Ingredients

  • Bell Peppers (4 large, any color): Choose peppers with flat bottoms so they sit stable in the baking dish; mixed colors make the final dish more visually interesting, plus each color has a slightly different sweetness.
  • Ground Beef (500 g, 80/20 blend): The 80/20 ratio gives you enough fat for flavor but won't leave you swimming in grease when it renders in the pan.
  • Onion (1 small, finely chopped): Mince it small enough that it practically melts into the filling, creating texture rather than chunks.
  • Garlic (2 cloves, minced): Fresh minced garlic makes a difference here; jarred garlic tastes sharp and flat by comparison.
  • Tomato (1 medium, diced): A fresh tomato adds brightness and prevents the filling from tasting purely heavy.
  • Tomato Paste (1 tbsp): This concentrates the tomato flavor and thickens the filling slightly, keeping everything from becoming soupy inside the pepper.
  • Ground Cumin (1 tsp): Cumin is what makes this taste like tacos; don't skip it or substitute.
  • Chili Powder (1 tsp): Use a good quality one; cheap chili powder tastes dusty and bitter.
  • Smoked Paprika (1/2 tsp): This adds a subtle smokiness that makes people ask what your secret ingredient is.
  • Dried Oregano (1/2 tsp): Brings an earthy warmth that balances the tomato and beef.
  • Salt and Black Pepper (1/2 tsp salt, 1/4 tsp pepper): Taste as you go; you might need more depending on your beef and how thick your filling becomes.
  • Olive Oil (2 tbsp): Use it to build a proper base for sautéing the aromatics before the beef goes in.
  • Shredded Cheddar Cheese (120 g, about 1 cup): Mild cheddar melts smoothly, but extra sharp will give you deeper flavor if you prefer it.
  • Fresh Cilantro and Scallions (optional garnish): These add a bright, fresh finish that cuts through the richness of the cheese and beef.
  • Sour Cream (optional, for serving): A dollop cools things down and adds tang.

Instructions

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Heat and prepare:
Preheat your oven to 190°C (375°F) and lightly grease your baking dish while it warms up. Slice the tops off your bell peppers, scoop out all the seeds and white membranes inside, then trim just a thin slice from the bottom if any pepper won't stand flat on its own.
Build your flavor base:
Pour olive oil into a large skillet over medium heat and let it shimmer slightly before adding your chopped onion and minced garlic. Sauté for 2 to 3 minutes, stirring often, until the onion turns translucent and you can smell how fragrant the garlic has become.
Brown the beef:
Increase heat to medium-high and add your ground beef, breaking it apart with a spoon as it cooks. This should take about 6 to 8 minutes; you want it thoroughly browned with no pink remaining, but don't let it sit undisturbed or it'll clump together.
Finish the filling:
Stir in your diced tomato, tomato paste, and all the spices (cumin, chili powder, paprika, oregano, salt, pepper). Simmer this mixture for 3 to 4 minutes, stirring occasionally, until it becomes fragrant and slightly thickened.
Stuff the peppers:
Carefully spoon the warm beef mixture into each hollowed pepper, packing it gently but firmly so you fit as much filling as possible. Set the stuffed peppers upright in your greased baking dish.
Add the cheese:
Generously sprinkle shredded cheddar over the top of each pepper, making sure you cover the opening so the cheese melts down into the filling.
Bake covered:
Cover the entire baking dish loosely with aluminum foil and place it in your preheated oven for 20 minutes. The foil keeps the peppers from drying out while they soften.
Finish uncovered:
Remove the foil and bake for another 10 minutes, or until the cheese is completely melted and bubbly with just a tiny bit of golden browning on top. Watch this part because ovens vary; you might need only 8 minutes or possibly 12.
Garnish and serve:
Remove from the oven and let them rest for just a minute so the cheese sets slightly. Sprinkle with fresh cilantro and scallions if you're using them, add a dollop of sour cream on the side, and serve while everything is still hot.
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| berrycottage.com

One evening a friend who is usually skeptical about low-carb eating came over and ate two of these without commenting until she was finished, then asked if I made them with some secret ingredient. I told her the truth, and she said the secret was that it tasted like real food instead of a diet meal, and honestly that might be the highest compliment I've ever received about anything I've cooked.

Flavor Combinations That Work

The magic here is that you're layering three flavor profiles: the warm spice of cumin and chili powder, the sweetness of the pepper and tomato playing underneath, and the savory saltiness of the beef and cheddar on top. If you find it too mild, add a pinch more chili powder or smoked paprika; if it tastes sharp, you might have used too much salt, so taste your filling before stuffing. One night I added a tiny splash of hot sauce to the beef mixture, and it shifted everything into a different dimension, so think of the base recipe as your canvas.

Pepper Prep Matters More Than You Think

I used to hack at my peppers with whatever knife was in my hand, leaving jagged edges and accidentally puncturing holes in the sides. Now I use a small sharp knife and take my time making one clean cut around the stem, then I twist and lift the top away slowly so the pepper stays intact. If you accidentally create a hole in the side wall, just be aware it might leak a tiny bit of filling, but honestly it still tastes the same.

Make It Yours

This recipe is really just a framework, and some of my best cooking moments have come from experimenting within it. I've added diced jalapeños for heat, mixed ground turkey with the beef for a lighter version, stirred in cream cheese to make the filling creamier, and even swapped the cheddar for a sharp white cheddar or gruyere. The structure stays the same, but the flavor shifts completely depending on what you're feeling.

  • If you have cooked rice or cauliflower rice on hand, mixing a small amount into the beef filling adds volume and texture without changing the flavor profile.
  • Prep your peppers earlier in the day and make the filling just before baking; everything holds together well and you can bake them whenever dinner feels right.
  • Leftovers actually taste better after a day or two as the flavors meld, and they're perfect cold straight from the fridge or warmed gently in a 160°C oven.
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Vibrant bell peppers filled with spiced taco meat and topped with gooey cheddar cheese, perfect for keto-friendly meals. Save
Vibrant bell peppers filled with spiced taco meat and topped with gooey cheddar cheese, perfect for keto-friendly meals. | berrycottage.com

These stuffed peppers have become the meal I reach for when I want to feel like I'm taking care of myself without any drama or compromise. They're honest food that tastes like it matters.

Recipe FAQ

What type of peppers work best for stuffing?

Large bell peppers of any color are ideal, as they provide enough space for filling and hold their shape well during baking.

Can I substitute the ground beef with other proteins?

Yes, ground turkey or chicken can be used for a lighter variation without compromising flavor.

How do I ensure the peppers stand upright while baking?

Trim the base slightly to create a flat surface, helping the peppers remain stable in the baking dish.

What spices enhance the filling’s flavor?

Aromatic spices like cumin, chili powder, smoked paprika, and oregano infuse warmth and depth to the savory beef mixture.

Is it possible to make this dish dairy-free?

Yes, using plant-based cheese alternatives allows you to enjoy the dish while avoiding dairy.

Keto Taco Stuffed Peppers

Bell peppers packed with savory spiced beef topped with melted cheddar for a satisfying low-carb dish.

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Prep duration
15 min
Cook duration
30 min
Complete duration
45 min
Created by Lily Anderson


Complexity Easy

Heritage Tex-Mex

Output 4 Portions

Dietary considerations Without gluten, Low-Carbohydrate

Components

Bell Peppers

01 4 large bell peppers (any color), tops sliced off and seeds removed

Taco Filling

01 1.1 lb ground beef (80/20 recommended)
02 1 small onion, finely chopped
03 2 cloves garlic, minced
04 1 medium tomato, diced
05 1 tablespoon tomato paste
06 1 teaspoon ground cumin
07 1 teaspoon chili powder
08 1/2 teaspoon smoked paprika
09 1/2 teaspoon dried oregano
10 1/2 teaspoon salt
11 1/4 teaspoon black pepper
12 2 tablespoons olive oil

Cheese & Garnish

01 1 cup shredded cheddar cheese
02 2 tablespoons chopped fresh cilantro (optional)
03 2 tablespoons sliced scallions (optional)
04 Sour cream, for serving (optional)

Directions

Direction 01

Preheat and Prepare Baking Dish: Preheat oven to 375°F. Lightly grease a baking dish large enough to fit all bell peppers upright.

Direction 02

Prepare Bell Peppers: Slice off the tops and remove seeds from bell peppers. If needed, trim the base to help them stand upright. Place in the baking dish.

Direction 03

Sauté Aromatics: Heat olive oil in a large skillet over medium heat. Add onion and garlic, sauté for 2-3 minutes until softened.

Direction 04

Brown Ground Beef: Add ground beef and cook, breaking it up, until browned and cooked through, about 6-8 minutes. Drain excess fat if necessary.

Direction 05

Build Taco Filling: Stir in diced tomato, tomato paste, cumin, chili powder, smoked paprika, oregano, salt, and pepper. Simmer for 3-4 minutes until fragrant and slightly thickened.

Direction 06

Fill Bell Peppers: Spoon the taco beef mixture evenly into the hollowed bell peppers, packing it in gently.

Direction 07

Top with Cheese: Sprinkle shredded cheddar cheese generously over the tops of the stuffed peppers.

Direction 08

Bake Covered: Cover loosely with aluminum foil and bake for 20 minutes.

Direction 09

Finish Baking: Uncover and bake for an additional 10 minutes, or until cheese is melted and bubbly.

Direction 10

Plate and Serve: Remove from oven. Garnish with chopped cilantro and scallions if desired. Serve hot, with a dollop of sour cream if liked.

Necessary tools

  • Large skillet
  • Baking dish
  • Knife and cutting board
  • Spoon or spatula
  • Aluminum foil

Allergy information

Review each ingredient for potential allergens and seek professional medical advice if you have concerns.
  • Contains dairy (cheddar cheese and optional sour cream)
  • Check labels of cheese and tomato paste for hidden gluten or additives if sensitive

Nutritional information (per portion)

These values are estimates only and shouldn't replace professional medical guidance.
  • Energy: 375
  • Fats: 25 g
  • Carbohydrates: 8 g
  • Proteins: 28 g