Keto Taco Stuffed Bell Peppers

Featured in: Tex-Mex Homestyle

These vibrant stuffed peppers combine the bold flavors of Tex-Mex cuisine with keto-friendly ingredients. Hollowed bell peppers serve as edible vessels, generously filled with perfectly seasoned ground beef, aromatic vegetables, and classic taco spices.

The star of this dish is the spiced beef mixture, browned with onion and garlic, then enhanced with cumin, chili powder, smoked paprika, and oregano. A generous layer of shredded cheddar cheese creates a golden, bubbly crust that seals in all the savory goodness.

Ready in just 45 minutes, this versatile main dish yields four satisfying portions. The natural sweetness of the peppers balances beautifully with the seasoned, cheesy filling. Serve with fresh cilantro, scallions, or a dollop of sour cream for added creaminess.

Updated on Sun, 08 Feb 2026 11:20:00 GMT
Four colorful bell peppers filled with savory keto taco meat, topped with golden melted cheddar cheese. Save It
Four colorful bell peppers filled with savory keto taco meat, topped with golden melted cheddar cheese. | zetluna.com

There's something deeply satisfying about watching a bell pepper transform from an empty shell into a vessel of savory, cheesy goodness, and it happened by accident one weeknight when I was tired of the usual keto rotation. I'd bought those gorgeous multicolored peppers at the market, intending to roast them with olive oil, but instead found myself pulling out ground beef and spices, remembering a conversation with a friend who swore by stuffed peppers as her weeknight lifesaver. Twenty minutes later, with melted cheddar bubbling on top and cilantro scattered across the plate, I understood the appeal completely.

I made this for my partner on a Tuesday night when he'd had a rough day, and there's this particular kind of quiet joy that comes with sliding a hot stuffed pepper onto someone's plate, knowing they didn't expect dinner to be this good or this easy. He took one bite and looked up at me with that expression that says everything, and suddenly it wasn't just about hitting protein macros anymore—it was about the small act of feeding someone well.

Ingredients

  • Bell Peppers: Choose four large ones in any color you like, though I've found the red and yellow ones cook slightly faster than green since they're sweeter and more tender to begin with.
  • Ground Beef: The 80/20 blend is your friend here because you need just enough fat to keep the filling moist without turning it into a puddle of grease by the time it hits the oven.
  • Onion and Garlic: These two are non-negotiable for building that savory foundation that makes the whole dish smell incredible while it cooks.
  • Tomato Paste and Fresh Tomato: The paste concentrates flavor while the diced tomato adds texture and a slight brightness that cuts through the richness.
  • Spice Blend: Cumin, chili powder, smoked paprika, and oregano create that unmistakable taco profile, but don't skip the paprika if you want that subtle smoky note that makes people ask what you did differently.
  • Cheddar Cheese: Shredded is essential because block cheese won't melt as evenly, and uneven melting is the enemy of a beautiful finish.
  • Optional Garnishes: Fresh cilantro and scallions brighten everything up, though sour cream is the real MVP if you want to cool down the spices and add richness.

Instructions

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Set Your Stage:
Get your oven to 375°F and grease a baking dish while it preheats, then slice the pepper tops off and hollow them out completely, making sure you remove all the seeds and white ribs inside. A small paring knife works perfectly for this, and don't worry if they wobble a bit—they'll stabilize as you fill them.
Build the Filling Base:
Heat olive oil in a large skillet and let it shimmer before adding your chopped onion and minced garlic, cooking until they soften and release that sweet, fragrant aroma that fills your whole kitchen. You'll know it's ready when the onion turns translucent and you catch yourself just breathing in the smell for a moment.
Brown the Beef:
Add your ground beef to the aromatic base and break it up with a wooden spoon, cooking until there are no pink bits left and it's developed a nice golden-brown crust in spots. If you end up with a slick pool of grease, pour some off into a container—you want moist filling, not greasy filling.
Layer In the Flavors:
Add your diced tomato and tomato paste first, then all those beautiful spices—the cumin, chili powder, smoked paprika, and oregano—and let everything simmer together for just a few minutes until it smells absolutely irresistible. The spices will bloom and marry together, and you'll see the mixture thicken slightly as the tomato paste does its magic.
Stuff and Top:
Spoon the taco filling generously into each hollow pepper, packing it in gently but firmly so it stays put, then crown each one with a generous handful of shredded cheddar cheese. The cheese should form a little mound on top that looks like it's ready to melt into pools of golden deliciousness.
The Bake:
Cover the baking dish loosely with foil and slide it into the oven for 20 minutes to let the peppers soften and the filling heat through, then remove the foil and bake uncovered for another 10 minutes until the cheese is melted and bubbly with a few golden spots. The peppers should be tender enough to cut through easily, and the cheese should have that slight wobble that tells you it's perfectly melted.
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Grill meats and vegetables indoors with beautiful sear marks and easy cleanup using minimal oil.
Check price on Amazon
Keto Taco Stuffed Bell Peppers with Cheddar Melt Top baked in a white dish, garnished with fresh cilantro. Save It
Keto Taco Stuffed Bell Peppers with Cheddar Melt Top baked in a white dish, garnished with fresh cilantro. | zetluna.com

This dish has become one of those recipes I return to on nights when I need to feed people well but don't have much energy for complexity, and somehow it always feels like I've done something special. There's something about a stuffed pepper that reads as effort even when the actual work is minimal, which might be the best kind of kitchen magic.

Variations and Swaps That Work

I've made these with ground turkey when I wanted something lighter, and honestly, the flavor barely suffers because the spice blend and cheddar carry so much of the taste that the type of meat almost becomes secondary. You could also crumble ground lamb in there if you're feeling adventurous, and the Mediterranean angle would shift the whole vibe of the dish in an interesting way.

Storage and Reheating

These peppers refrigerate beautifully for three or four days, which makes them perfect for meal prep, and they actually taste slightly better the next day when all the flavors have had time to get cozy with each other. Reheat them covered with foil in a 350°F oven for about 10 minutes, just until they're warmed through without drying out.

Making It Your Own

The beauty of stuffed peppers is that they're flexible enough to welcome your personal touches without falling apart. I've added sliced jalapeños for heat, stirred in cream cheese for extra richness, and even mixed in some cauliflower rice to stretch the filling further without compromising the flavor or the macros.

  • If you want more heat, add fresh jalapeño slices to the filling or scatter them on top before the final bake.
  • For a dairy-free version, swap the cheddar for a plant-based melt that actually melts well, and skip the sour cream or use a cashew-based alternative.
  • Serve these alongside a simple green salad or with avocado slices for a complete meal that feels both indulgent and nourishing.
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Low carb Tex-Mex Keto Taco Stuffed Bell Peppers with Cheddar Melt Top served hot with sour cream. Save It
Low carb Tex-Mex Keto Taco Stuffed Bell Peppers with Cheddar Melt Top served hot with sour cream. | zetluna.com

There's something wonderfully unpretentious about this dish—it shows up as exactly what it is, no fancy plating required, just honest food that tastes good and makes you feel taken care of. That's the kind of recipe worth returning to again and again.

Common Questions About Recipes

Can I make these stuffed peppers ahead of time?

Yes, you can prepare the peppers and filling up to 24 hours in advance. Store them separately in the refrigerator, then stuff and bake when ready to serve. You may need to add a few extra minutes to the baking time if baking cold.

What other ground meats work well in this filling?

Ground turkey, chicken, or pork make excellent alternatives to beef. Turkey and chicken will be leaner, so consider adding a tablespoon of olive oil to prevent the filling from drying out during cooking.

How do I know when the peppers are fully cooked?

The peppers are done when they're tender when pierced with a fork, the cheese is melted and bubbly with golden spots, and the filling is hot throughout. This typically takes 30 minutes total baking time.

Can I freeze leftover stuffed peppers?

Absolutely. Let them cool completely, then wrap individually in plastic wrap and foil. Freeze for up to 3 months. Thaw overnight in the refrigerator and reheat in a 180°C (350°F) oven until heated through.

What sides pair well with this dish?

A crisp green salad with avocado, cauliflower rice, or roasted vegetables make perfect keto-friendly sides. If you're not strictly low-carb, Mexican rice or warm tortillas complement the Tex-Mex flavors beautifully.

How can I make this dish dairy-free?

Use a plant-based shredded cheese alternative or simply omit the cheese topping entirely. The peppers and filling are delicious on their own, or you could top with dairy-free sour cream or guacamole after baking.

Keto Taco Stuffed Bell Peppers

Savory ground beef taco filling stuffed in colorful bell peppers with melted cheddar cheese topping.

Prep Time
15 mins
Time to Cook
30 mins
Overall Time
45 mins
Authored by Clara

Recipe Type Tex-Mex Homestyle

Skill Level Required Easy

Cuisine Type Tex-Mex

Recipe Output 4 Number of Portions

Dietary Needs Free of Gluten, Low-Carbohydrate

The Ingredients You'll Need

Bell Peppers

01 4 large bell peppers, any color, tops removed and seeds cleaned

Taco Filling

01 1.1 lb ground beef (80/20 blend)
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 0.5 teaspoon smoked paprika
09 0.5 teaspoon dried oregano
10 0.5 teaspoon salt
11 0.25 teaspoon black pepper
12 2 tablespoons olive oil

Cheese and Garnish

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

Step-by-Step Instructions

Step 01

Preheat oven and prepare baking dish: Preheat oven to 375°F. Lightly grease a baking dish large enough to accommodate all bell peppers standing upright.

Step 02

Prepare bell peppers: Slice off pepper tops and remove seeds. Trim bases as needed to ensure peppers stand upright. Arrange in prepared baking dish.

Step 03

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

Step 04

Brown ground beef: Add ground beef to skillet, breaking apart while cooking. Cook 6-8 minutes until fully browned. Drain excess fat if necessary.

Step 05

Build taco filling: Stir in diced tomato, tomato paste, cumin, chili powder, smoked paprika, oregano, salt, and pepper. Simmer 3-4 minutes until flavors meld and mixture slightly thickens.

Step 06

Stuff peppers: Divide taco beef mixture evenly among hollowed bell peppers, packing gently to fill completely.

Step 07

Add cheese topping: Sprinkle shredded cheddar cheese generously over top of each stuffed pepper.

Step 08

Initial bake with foil: Cover baking dish loosely with aluminum foil. Bake 20 minutes in preheated 375°F oven.

Step 09

Finish baking and melt cheese: Remove foil and bake additional 10 minutes until cheese is melted and bubbly.

Step 10

Garnish and serve: Remove from oven. Top with fresh cilantro and scallions if desired. Serve hot with sour cream on the side.

Tools You'll Need

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

Allergy Information

Review each ingredient to identify allergens and consult an expert if needed.
  • Contains dairy: cheddar cheese and optional sour cream
  • Check cheese and tomato paste labels for potential gluten or undisclosed additives

Nutritional Facts (Per Serving)

Keep in mind these details are for general guidance and shouldn't replace professional advice.
  • Caloric Content: 375
  • Fats: 25 grams
  • Carbohydrates: 8 grams
  • Proteins: 28 grams