Tender shaved steak, sweet peppers, caramelized onions, and a silky provolone cheese sauce come together in one bubbling, golden dish that makes weeknight dinners feel special. I first made Keto Philly Cheesesteak Casserole on a chilly Tuesday when I was craving something hearty but wanted to stick with my low-carb goals, and honestly, it's been on repeat ever since. The best part? It's simple enough for busy nights but tastes like you spent hours in the kitchen.
If you love easy keto dinners that satisfy the whole family, you'll want to try this Easy Kung Pao Chicken Noodles recipe alongside other favorites like Easy Chicken Divan Casserole recipe and Easy Salsa Verde Chicken Casserole recipe .
Why You'll Love This Keto Philly Cheesesteak Casserole
This keto philly Keto Philly Cheesesteak Casserole checks all the boxes for a perfect weeknight meal. First, it's incredibly satisfying without being heavy. The shaved steak provides plenty of protein, while the cheesy beef Keto Philly Cheesesteak Casserole topping makes every bite feel indulgent. You get all the flavors of your favorite Philly sandwich without the carb crash afterward.
It's also beautifully flexible. You can prep the steak and vegetables ahead of time, making dinner assembly a breeze on busy nights. The recipe easily feeds a crowd, so it's perfect for family dinners or meal prep. Plus, with only about 4 grams of carbs per serving, it fits perfectly into quick keto meals rotation.
The flavor is restaurant-quality, but the ingredient list is simple. No fancy techniques or hard-to-find items, just honest, straightforward cooking that delivers big results. And because it all bakes together in one dish, cleanup is minimal. That alone makes it a winner in my book.
Jump to:
- Why You'll Love This Keto Philly Cheesesteak Casserole
- Keto Philly Cheesesteak Casserole Ingredients
- how to make Keto Philly Cheesesteak Casserole
- Substitutions and Variations
- Equipment for Keto Philly Cheesesteak Casserole
- Storage and Reheating Tips
- expert tips
- FAQ
- Related
- Pairing
- Keto Philly Cheesesteak Casserole
Keto Philly Cheesesteak Casserole Ingredients
Here's what you'll need to make this delicious, filling Keto Philly Cheesesteak Casserole .
See Recipe Card Below This Post For ingredients Quantites
- Shaved steak: Forms the hearty base of this Keto Philly Cheesesteak Casserole and delivers that classic Philly cheesesteak flavor. Look for thinly sliced ribeye or sirloin at your butcher counter.
- Salt and pepper: Season the steak generously to bring out its natural richness and enhance every layer of flavor.
- Avocado oil: A neutral, high-heat oil that's perfect for searing the steak without smoking up your kitchen. You can also use olive oil if that's what you have on hand.
- Onion: Adds natural sweetness when cooked down and provides that essential Philly Keto Philly Cheesesteak Casserole flavor. Yellow or white onions work best.
- Bell pepper: Brings color, crunch, and a slight sweetness that balances the richness of the cheese. Use red, green, or yellow, whatever you prefer.
- Garlic powder: Adds a savory depth without the hassle of mincing fresh garlic. It blends smoothly into the vegetables.
- Butter: Creates the rich base for your cheese sauce and adds a subtle creaminess that makes everything taste more luxurious.
- Beef broth: Thins the cheese sauce just enough so it coats every piece of steak and vegetable beautifully. It also adds a savory, meaty backbone.
- Cream cheese: This is what makes the sauce silky and smooth. Cubing it helps it melt faster and more evenly. Make sure it's at room temperature for best results.
- Provolone cheese: Melts beautifully and creates that gooey, stretchy texture we all love in a good cheesesteak. You'll use half in the sauce and half on top for maximum cheese coverage.
how to make Keto Philly Cheesesteak Casserole
Preheat oven: Preheat your oven to 350°F so it's ready when your Keto Philly Cheesesteak Casserole is assembled. This ensures even baking and that perfect bubbly top.
Season steak: Season the shaved steak generously with salt and pepper on both sides. Don't be shy here, the seasoning is what builds flavor from the start.
Cook steak: Heat the avocado oil in a large skillet over medium-high heat until it shimmers. Add the seasoned steak and cook for about 2 minutes per side until nicely browned and fragrant. Remove from the heat, let it cool for a minute, then chop it into bite-sized pieces so every forkful has tender steak.
Cook vegetables: Using the same skillet (all those browned bits add flavor), toss in the chopped onion and bell pepper strips. Cook for about 6 minutes, stirring occasionally, until the vegetables are softened and the onions start to turn golden. Stir in the garlic powder, season with a pinch of salt and pepper, then add the chopped steak back in and mix everything together. Remove from heat.
Prepare cheese sauce: In a separate medium saucepan, melt the butter over medium-high heat. Pour in the beef broth and bring it to a gentle simmer. Reduce the heat to medium, then add the cubed cream cheese. Whisk often as it melts, breaking up any lumps, until the mixture is smooth and creamy. Lower the heat a bit more, then stir in 8 ounces of the provolone cheese. Keep stirring until it's completely melted and the sauce is silky.
Combine and bake: Pour the warm cheese sauce over the steak and vegetable mixture in the skillet and stir until everything is well coated. Transfer the whole mixture to a casserole dish, smoothing the top. Sprinkle the remaining 8 ounces of provolone cheese evenly over the top. Bake in your preheated oven for 25 to 30 minutes, until the Keto Philly Cheesesteak Casserole is bubbly around the edges and the cheese on top is melted and lightly golden.
Substitutions and Variations
Ground beef: If you can't find shaved steak, ground beef works wonderfully. Brown 2 pounds of ground beef, drain any excess fat, and proceed with the recipe. This creates more of a keto philly Keto Philly Cheesesteak Casserole ground beef version that's even easier.
Chicken: Swap the steak for thinly sliced or diced chicken breast or thighs for a keto chicken philly Keto Philly Cheesesteak Casserole . Cook the chicken until it's no longer pink before combining with the vegetables.
Cheese options: While provolone is traditional, you can use a blend of mozzarella and white cheddar, or even American cheese if you want that classic gooey texture. Some people prefer philly Keto Philly Cheesesteak Casserole without cream cheese, using only shredded cheese and a bit of heavy cream instead.
Extra vegetables: Add sliced mushrooms along with the peppers and onions for an earthier flavor. Jalapeños can add a nice kick if you like heat.
Dairy-free: Use dairy-free cream cheese and shredded cheese alternatives. Coconut cream can work in place of the cream cheese, though the flavor will be slightly different.
Equipment for Keto Philly Cheesesteak Casserole
You don't need anything fancy for this recipe. Here's what I use:
Large skillet: Essential for browning the steak and cooking the vegetables. A 12-inch skillet works perfectly.
Medium saucepan: For making the cheese sauce. You want something with enough room to whisk comfortably.
Casserole dish: A 9x13-inch dish is ideal for this recipe, giving you plenty of surface area for that golden, cheesy top.
Whisk: Helps you get a smooth, lump-free cheese sauce. A regular whisk works great.
Storage and Reheating Tips
This casserole stores beautifully, making it perfect for meal prep.
Refrigerator: Store leftovers in an airtight container in the fridge for up to 4 days. The flavors actually get even better the next day as everything melds together.
Freezer: You can freeze this Keto Philly Cheesesteak Casserole either before or after baking. If freezing unbaked, assemble everything, cover tightly with plastic wrap and foil, and freeze for up to 3 months. Thaw overnight in the fridge before baking. If freezing already-baked casserole, cool completely, portion into containers, and freeze for up to 2 months.
Reheating: Reheat individual portions in the microwave for 2 to 3 minutes, stirring halfway through. For larger portions, cover with foil and reheat in a 350°F oven for 15 to 20 minutes until warmed through and bubbly.
expert tips
Room temperature cream cheese: This is key to getting a smooth, lump-free sauce. Cold cream cheese takes forever to melt and can leave you with a grainy texture. Set it out 30 minutes before cooking.
Don't overcook the steak: Since it cooks again in the oven, you want to just brown it on the outside. Overcooked steak gets tough and chewy.
Use freshly grated cheese: Pre-shredded cheese contains anti-caking agents that can make your sauce grainy. Grating your own provolone takes an extra minute but makes a huge difference in texture.
Let it rest: After you pull the casserole from the oven, let it sit for 5 minutes before serving. This helps the cheese sauce thicken slightly and makes serving much easier.
Customize your peppers: If you're not a fan of bell peppers, try poblano peppers for a milder flavor or banana peppers for a tangy kick.
Make it ahead: Assemble the entire Keto Philly Cheesesteak Casserole , cover, and refrigerate for up to 24 hours before baking. Add 5 to 10 minutes to the baking time if cooking from cold.
FAQ
What type of cheese does Keto Philly Cheesesteak Casserole use?
This casserole uses provolone cheese, which is traditional for Philly cheesesteaks and melts beautifully into a creamy, stretchy topping. We also use cream cheese in the sauce to make it extra silky. My family loves how gooey and rich it gets, and both cheeses are perfectly keto-friendly.
What's the secret to a great Keto Philly Cheesesteak Casserole?
The secret is in the cheese sauce. Using cream cheese with beef broth creates a velvety base that coats every bite, and not overcooking the steak keeps it tender. I also recommend using freshly grated provolone instead of pre-shredded for the smoothest texture. Don't skip seasoning each layer as you go.
Where does Keto Philly Cheesesteak Casserole come from?
This recipe is inspired by the classic Philly cheesesteak sandwich that originated in Philadelphia in the 1930s. We've adapted it into a low-carb, keto-friendly casserole format that captures all those beloved flavors without the bread. It's become a popular way to enjoy philly Keto Philly Cheesesteak Casserole inspired recipes while staying on track with keto goals.
Where does Pardon My Keto Philly Cheesesteak Casserole come from?
Pardon My Keto is a popular keto recipe blog and resource that created their own version of this casserole. Many keto bloggers and home cooks have developed variations of this dish over the years. This particular recipe focuses on creating a rich, creamy sauce with simple ingredients that you probably already have in your kitchen.
Related
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Pairing
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Keto Philly Cheesesteak Casserole
Ingredients
Method
- Preheat the oven to 350°F. Season the shaved steak with salt and pepper to taste. prep
- Heat the avocado oil in a large skillet over medium-high heat. Add the seasoned steak and cook for about 2 minutes per side, or until browned. Remove from the heat and set aside to cool slightly. Once cooled, chop into bite-sized pieces. prep
- Add the chopped onion and bell pepper to the skillet. Cook for about 6 minutes, or until softened. Stir in garlic powder and season with salt and pepper. Return the chopped steak to the skillet and stir to combine. Remove from the heat. prep
- In a medium saucepan, melt the butter over medium-high heat. Add the beef broth and bring to a simmer. Reduce heat to medium and add the cream cheese. Cook while whisking often until the cream cheese is melted. Reduce heat to low and stir in 8 ounces of provolone cheese. Continue cooking until the cheese is fully melted. mix
- Pour the cheese sauce over the steak and vegetable mixture. Stir to combine. Transfer the entire mixture to a casserole dish and top with the remaining provolone cheese. bake
- Bake in the preheated oven for 25-30 minutes. The casserole should be bubbly and heated through. finish
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