Air Fryer Philly Cheesesteak Stuffed Peppers (Low-Carb)

These Air Fryer Philly Cheesesteak Stuffed Peppers give you every bite of a classic Philly cheesesteak — juicy steak, sweet sautéed onions, and gooey melted cheese — without the roll. Tender bell peppers stand in for the bread, so you get a low-carb dinner that’s on the table in under 30 minutes and barely dirties a dish.

I’ve been making air fryer versions of the Philly cheesesteak for years, and this is the one I come back to on busy weeknights. The first few times I tried stuffing peppers, I made the classic mistake of cooking the steak inside the raw pepper and ending up with cold, chewy meat and a crunchy pepper. The trick I landed on — and the reason this recipe works every time — is roasting the peppers first, then adding pre-cooked filling and melting the cheese in a quick second round. You get a pepper that’s tender but still holds its shape, and a filling that’s already juicy and browned.

If you love the flavor but want it in other forms, I’ve got a whole little Philly cheesesteak family on the blog: the original Air Fryer Philly Cheesesteaks sandwich, a warm, scoopable Air Fryer Philly Cheesesteak Dip for game day, and my Air Fryer Philly Cheesesteak Cheesy Bread when I want something a little more indulgent.

Why You’ll Love These Stuffed Peppers

I don’t put a recipe on the blog unless it earns its spot in my own dinner rotation, and this one has for a few specific reasons:

• It’s genuinely quick. Start to finish is under 30 minutes, and most of that is hands-off while the peppers roast.
• It’s naturally low-carb. Swapping the hoagie roll for a bell pepper cuts the carbs way down without cutting the flavor — the filling is exactly what you’d put in the sandwich.
• The texture is right. Roasting the peppers first is the difference between “tender-crisp” and “sad and soggy.” I learned that the hard way so you don’t have to.
• It’s flexible. Any steak, any cheese, any color pepper. I’ll walk you through my go-to swaps below.

Ingredients

Here’s what goes into my Air Fryer Philly Cheesesteak Stuffed Peppers, plus why I use each one. Exact measurements are in the recipe card at the bottom.

• Shaved or thinly sliced steak — Ribeye is the traditional Philly cut and stays the most tender, but sirloin or a good shaved steak from the meat counter both work beautifully. Thin is the key word; thick cuts turn chewy in a quick cook.
• Bell peppers — Any color. I like red, yellow, or orange for a little natural sweetness, but green gives you that classic cheesesteak-shop flavor. Pick firm, evenly shaped peppers so they sit flat and hold the filling.
• Onion — Yellow onion is my default for the best flavor without overpowering the steak. White or red work in a pinch.
• Cheese — I usually reach for mozzarella because it melts like a dream, but provolone is the most authentic Philly choice, and white American gets you that classic gooey pull. Use what you love.
• Olive oil — For sautéing the steak and rubbing the peppers so they roast instead of drying out. Any neutral oil works.

How to Make Air Fryer Philly Cheesesteak Stuffed Peppers

Step 1: Cook the filling. Heat the olive oil in a large skillet over medium heat. Add the diced onion and cook until soft and translucent, then stir in the steak and cook just until browned. Don’t overcook it here — it gets a little more time in the air fryer later.

Step 2: Roast the peppers. While the steak cooks, halve the bell peppers and remove the seeds and ribs. Rub a little olive oil over the inside and outside of each half. Place them cut-side down in the air fryer basket at 400°F for about 5 minutes, flipping halfway through so both sides roast evenly. This is the step most stuffed-pepper recipes skip — don’t.

Step 3: Stuff and melt. Spoon the steak-and-onion mixture into the roasted pepper halves and top generously with cheese. Return them to the air fryer at 400°F for 3–5 minutes, until the cheese is melted and bubbly. Plate and eat while they’re hot.

Recipe Tips From My Kitchen

• Brown the steak before it goes in the pepper. The air fryer won’t fully cook raw meat tucked inside a pepper, so get it browned in the skillet first.
• Don’t overstuff. Mounded filling looks great but keeps the cheese from melting evenly and makes the peppers tip over. Fill them generously but level.
• Pat wet ingredients dry. If your onions or steak released a lot of liquid, drain the pan before stuffing — excess moisture is the fastest way to a soggy pepper.
• Watch the cheese, not the clock. Air fryers vary. Pull them the moment the cheese is melted and just starting to brown.

Substitutions and Variations

One of the reasons I keep this recipe in rotation is how easily it bends to what’s in the fridge:

Appetizer size: Use halved mini sweet peppers instead of full bell peppers for a party-friendly, two-bite version — great alongside dips at a game-day spread.

Different protein: Ground beef, ground turkey, or thinly sliced chicken breast all work if steak isn’t on hand. If you’re leaning into steak night, the same shaved-steak approach powers my Air Fryer New York-Style Chopped Cheese.

Add mushrooms: Sauté a handful of sliced mushrooms with the onions for a “cheesesteak deluxe” version.

Make it spicy: A pinch of red pepper flakes or a few sliced jalapeños in the filling adds a nice kick.

What to Serve With Philly Cheesesteak Stuffed Peppers

These peppers are hearty enough to stand on their own, but I usually round out the plate with something crisp and something crunchy. A cool, tangy slaw like my Copycat Tony Roma’s Coleslaw is my favorite contrast to all that melted cheese. When I want a salad, I’ll toss air fryer romaine lettuce with my Outback Steakhouse Caesar salad dressing for a steakhouse feel. And if I’m feeding a hungrier crowd, a batch of Air Fryer Garlic Parmesan Fries on the side never lasts long.

Storing, Freezing, and Reheating

• Refrigerator: Let the peppers cool completely, then store in an airtight container for up to 3 days.
• Freezer: Wrap each stuffed pepper individually and freeze in a freezer-safe bag for up to 3 months. Heads up — the peppers soften more after freezing, so I only freeze these when I know I’ll want a quick reheat rather than a company-worthy plate.
• Reheating: Warm them in the air fryer at 350°F for 5–7 minutes until heated through, which keeps the cheese from getting rubbery the way a microwave can. A quick 1–2 minute microwave zap works when you’re in a hurry.

Frequently Asked Questions

What’s the best steak for cheesesteak stuffed peppers? Thin cuts that cook fast and stay tender — ribeye, sirloin, or a pre-shaved steak from the meat counter. Ribeye is the most traditional and the most tender.

Can I use a different cheese? Absolutely. Provolone is the classic Philly choice, mozzarella melts beautifully, and white American gives you the gooiest pull. Use your favorite.

How do I keep the peppers from getting soggy? Two things: don’t overcook them in the first roasting step, and make sure the filling isn’t wet. Drain any excess liquid from the steak and onions before stuffing.

Can I make them ahead of time? Yes. Cook the filling and slice the peppers in advance, then assemble and do the final air-fry right before serving so the cheese is fresh and melty.

Can I make these without an air fryer? You can. Sauté the filling as written, then bake the stuffed peppers at 375°F for about 20–25 minutes, adding the cheese in the last few minutes. If you want a true no-pepper version, my Air Fryer Philly Cheesesteaks sandwich is the move.