Keto Philly Cheesesteak Skillet
All the savory steak, melty provolone, and peppers-and-onions flavor of a classic Philly cheesesteak, minus the bun. This one-pan keto philly cheesesteak skillet delivers just 5.2g net carbs per serving and is ready in 25 minutes for an easy weeknight dinner.
Head of Nutrition · June 17, 2026

Nutrition per serving
Per serving · makes 4. Values are estimates; brands vary.
This one-pan keto Philly cheesesteak skillet packs all the savory steak, sweet peppers and onions, and gooey melted provolone of the deli classic into a fast, bun-free weeknight dinner. It comes together in a single cast-iron pan in just 25 minutes.
Ingredients
- 1.5 lb ribeye steak, thinly sliced against the grain
- 2 tbsp avocado oil, divided
- 1 medium green bell pepper, thinly sliced
- 1/2 medium yellow onion, thinly sliced
- 8 oz cremini mushrooms, sliced
- 3 cloves garlic, minced
- 1 tbsp Worcestershire sauce
- 1 tsp salt
- 1/2 tsp black pepper
- 2 tbsp unsalted butter
- 8 slices provolone cheese (about 6 oz)
- 2 tbsp chopped fresh parsley, for garnish
Instructions
- 1
Pat the sliced ribeye dry and season with the salt and black pepper. Heat 1 tablespoon avocado oil in a large cast-iron or heavy skillet over medium-high heat until shimmering.
- 2
Working in two batches so the pan stays hot, sear the steak for 2 to 3 minutes until browned. Transfer to a plate and set aside.
- 3
Add the remaining tablespoon of oil and the butter to the skillet. Add the bell pepper, onion, and mushrooms and cook for 5 to 6 minutes, stirring, until softened and lightly caramelized. Stir in the garlic and cook for 30 seconds.
- 4
Return the steak and any juices to the skillet, add the Worcestershire sauce, and toss everything together for 1 to 2 minutes to heat through.
- 5
Reduce heat to low, spread the mixture into an even layer, and lay the provolone slices over the top. Cover and cook for 2 to 3 minutes until the cheese is fully melted.
- 6
Garnish with fresh parsley and serve hot straight from the skillet.
Tips & notes
- Freeze the ribeye for 20 to 30 minutes before slicing — it firms up just enough to cut paper-thin against the grain. Pre-shaved sandwich steak or thinly sliced sirloin also works in a pinch.
- Swap provolone for white American or mozzarella if you prefer a milder, creamier melt. For an authentic Cheez-Whiz vibe, stir in 2 oz cream cheese before adding slices.
- Store leftovers in an airtight container in the fridge for up to 3 days. Reheat gently in a skillet over medium-low to keep the steak tender.
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Frequently asked questions
- How many carbs are in keto philly cheesesteak skillet?
- Each of the 4 servings has 5.2g net carbs (6.8g total carbs minus 1.6g fiber), 468 calories, 38g protein, and 32g fat — making it a satisfying, genuinely keto-friendly dinner.
- What can I use instead of a hoagie roll to keep it low-carb?
- This skillet skips bread entirely. Serve it on its own, over cauliflower rice, stuffed into a roasted portobello cap, or wrapped in lettuce leaves to keep net carbs low while still getting that cheesesteak experience.
- What is the best cut of steak for a keto cheesesteak?
- Ribeye is the classic choice — its marbling keeps the meat tender and adds healthy fat that suits keto. Slice it thin against the grain. Thinly sliced sirloin or pre-shaved sandwich steak are good leaner alternatives.



