Easy Jersey Mike's Big Kahuna Cheesesteak Copycat Recipe

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Copycat Jersey Mike's Big Kahuna Cheesesteak Recipe


Copycat Jersey Mike's Big Kahuna cheesesteak on a toasted sub roll with steak, melted cheese, peppers, onions, and mushrooms.
Bring home that sizzling sandwich shop flavor with juicy steak, sweet peppers, onions, mushrooms, and melty cheese tucked into a warm toasted roll.

If you love a hot, cheesy sandwich loaded with juicy steak, sweet onions, and peppers, this copycat Jersey Mike's Big Kahuna Cheesesteak recipe is for you. It brings that bold sandwich shop flavor right into your own kitchen with simple ingredients and easy steps.

This recipe is made for home cooks in the USA who want a satisfying weeknight dinner, game day meal, or weekend lunch that feels a little extra special. The steak is thin and savory, the vegetables turn tender with a little bite, and the melted cheese pulls everything together in the best way.

If you've ever taken one bite of a cheesesteak with peppers and thought, "I need to make this at home," you're in the right place.

What Is Jersey Mike's Big Kahuna Cheesesteak?

Jersey Mike's is a well-known sandwich chain in the United States, loved for its freshly sliced meats, warm grilled subs, and East Coast sandwich shop style. One of the standout hot subs on the menu is the Big Kahuna Cheesesteak, a bold twist on a classic cheesesteak.

This sandwich is known for its sizzling steak, grilled onions, peppers, mushrooms, melty cheese, and a little jalapeño heat. It has a rich, savory smell the second it hits the pan. The vegetables get soft and slightly sweet, the steak stays juicy, and the cheese wraps around everything like a warm blanket. It is messy in the best possible way.

Jersey Mike's is a trademarked brand name, and the Big Kahuna Cheesesteak is associated with that brand, so this is simply a copycat-style recipe inspired by the sandwich. It is not the restaurant’s actual recipe, and it is not endorsed by or affiliated with Jersey Mike's.

Why You'll Love This Copycat Big Kahuna Cheesesteak

  • Big flavor: savory beef, sweet onions, mushrooms, peppers, jalapeños, and gooey cheese.
  • Easy to make: no special restaurant equipment needed.
  • Family friendly: you can make it mild or spicy.
  • Great for busy nights: it cooks fast once the ingredients are prepped.
  • Restaurant-style at home: perfect when you want a takeout-style sandwich without leaving the house.

Ingredients

Serving size: 4 sandwiches

Prep time: 20 minutes

Cook time: 15 minutes

Total time: about 35 minutes

  • 1 1/2 pounds thinly sliced ribeye steak, shaved beef, or sirloin
  • 1 tablespoon vegetable oil
  • 1 tablespoon butter
  • 1 large yellow onion, thinly sliced
  • 1 large green bell pepper, thinly sliced
  • 1 large red bell pepper, thinly sliced
  • 8 ounces white mushrooms, thinly sliced
  • 1 to 2 jalapeños, thinly sliced
  • 1 teaspoon kosher salt, divided
  • 1/2 teaspoon black pepper, divided
  • 1/2 teaspoon garlic powder
  • 8 slices white American cheese or provolone cheese
  • 4 sub rolls or hoagie rolls
  • 1 tablespoon mayonnaise, optional, for the rolls
  • 1 teaspoon hot sauce, optional

Optional add-ins:

  • Extra jalapeños for more heat
  • Banana peppers for tang
  • Chipotle mayo for a smoky twist

Best Ingredients for the Most Authentic Flavor

If you want that sandwich shop feel, a few small choices make a big difference.

  • Steak: Ribeye gives the richest flavor because it has more marbling. If you want a budget-friendly option, shaved beef or thin-sliced sirloin works well too.
  • Cheese: White American melts fast and smooth. Provolone gives a slightly sharper, classic deli flavor.
  • Rolls: Soft sub rolls with a little chew are best. You want bread that holds the juicy filling without falling apart.
  • Jalapeños: These are part of what makes the Big Kahuna stand out. They add brightness and gentle heat.

Here’s a little home-cook tip: if your steak is hard to slice thin, place it in the freezer for 20 to 30 minutes first. It firms up just enough to make slicing much easier.

How to Make Copycat Jersey Mike's Big Kahuna Cheesesteak

This is a fast-cooking recipe, so it helps to have everything sliced and ready before the pan gets hot. Think of it like setting up your station before a busy dinner rush. Once you start, things move quickly.

  1. Prep the steak and vegetables.

    If your beef is not already shaved or sliced thin, use a sharp knife and cut it into very thin strips. Slice the onion, bell peppers, mushrooms, and jalapeños. Set everything near the stove so it is ready to go.

  2. Warm the rolls.

    Preheat your oven to 300°F. Place the sub rolls on a baking sheet and warm them for 5 to 7 minutes. This step is simple, but it helps a lot. Warm bread feels more like a real sandwich shop sub and holds the filling better.

  3. Cook the vegetables.

    Heat a large skillet or flat griddle over medium-high heat. Add the oil and butter. Once melted, add the onions, bell peppers, mushrooms, and jalapeños. Sprinkle with about 1/2 teaspoon salt and 1/4 teaspoon black pepper.

    Cook for 6 to 8 minutes, stirring often, until the vegetables are softened and lightly browned. The onions should smell sweet, the mushrooms should lose their water, and the peppers should still have a little shape. Transfer the vegetables to a plate.

  4. Cook the steak.

    Return the skillet to medium-high heat. Add the sliced steak in an even layer. Sprinkle with the remaining salt, pepper, and garlic powder. Let it cook for 1 to 2 minutes without moving it too much so it gets a little color.

    Then use a spatula or tongs to break it up and stir. Cook for another 2 to 4 minutes until the beef is browned and fully cooked.

    Food safety note: Beef should reach a safe internal temperature of 145°F followed by a 3-minute rest according to USDA guidance. Since this is thin-sliced steak cooked in small pieces, use a food thermometer on the thickest pieces if needed and make sure there is no raw beef left.

  5. Combine the filling.

    Add the cooked vegetables back to the skillet with the steak. Stir well so the juices and flavors coat everything. If you want a little kick, add the hot sauce now.

  6. Melt the cheese.

    Divide the steak mixture into 4 piles in the skillet. Top each pile with 2 slices of cheese. Lower the heat to medium-low and let the cheese melt for 1 to 2 minutes. If needed, loosely cover the pan for a moment to help the cheese melt faster.

  7. Build the sandwiches.

    If you like, spread a very thin layer of mayonnaise inside each warm roll. Use a spatula to scoop each cheesy steak pile into a sub roll. Serve right away while hot and melty.

Tips for the Best Homemade Big Kahuna Cheesesteak

  • Don't overcrowd the pan. If your skillet is small, cook the steak in batches. Too much meat at once can steam instead of sear.
  • Slice everything thin. The sandwich eats better when the vegetables and steak are similar in size.
  • Use enough cheese. This is not the time to be shy. The cheese helps bind the filling together.
  • Toast lightly, not too much. You want the rolls warm and sturdy, not crunchy like garlic bread.
  • Taste before serving. A pinch more salt at the end can bring everything to life.

Easy Home Kitchen Shortcuts

Want to make this easy cheesesteak recipe even simpler? Here are a few shortcuts that really help on busy days.

  • Use store-bought shaved steak: This saves slicing time and cooks quickly.
  • Buy pre-sliced vegetables: Many grocery stores sell sliced peppers, onions, and mushrooms.
  • Sheet pan warming: Warm all the rolls at once in the oven while the filling cooks.
  • Blackstone or griddle: If you have an outdoor griddle, this recipe is even easier and gives you more room to work.

Can you make it in the air fryer? Sort of. The air fryer is best for warming the bread or reheating leftover filling. The steak and veggies still turn out best on a skillet or griddle because they need direct heat.

Common Recipe Questions

What kind of steak is best for a copycat cheesesteak?
Ribeye is the top choice because it is flavorful and tender. Sirloin and shaved beef are also great for a more affordable homemade version.

Can I make this less spicy?
Yes. Just leave out the jalapeños. You will still get a delicious steak, pepper, onion, and mushroom sandwich.

Can I make it ahead?
Yes. Cook the filling, cool it, and store it in the fridge for up to 3 days. Reheat in a skillet until steaming hot, then add cheese and build the sandwiches.

What's the best cheese for a Big Kahuna Cheesesteak copycat recipe?
White American melts like a dream, while provolone gives a slightly more classic deli flavor. Either works well.

Allergy-Friendly and Diet Preference Modifications

One thing I love about making restaurant favorites at home is how easy it is to adjust them for different needs. If someone at your table has an allergy or food preference, you do not have to miss out.

For gluten-free:

  • Use certified gluten-free hoagie rolls or serve the filling over rice, roasted potatoes, or lettuce wraps.
  • Double-check your cheese slices and hot sauce labels to make sure they are gluten-free.
  • Clean your cooking surface well to avoid cross-contact if cooking for someone with celiac disease.

For dairy-free:

  • Use dairy-free cheese slices that melt well.
  • Swap the butter for extra oil or a plant-based butter.
  • Skip the mayo unless you are using a dairy-free version.

For low-carb or keto:

  • Serve the steak and veggie mixture in a bowl instead of on bread.
  • Top with extra cheese and sliced avocado if you like.
  • Stuff the filling into roasted bell pepper halves for a fun variation.

For paleo:

  • Use thin-sliced steak, onions, peppers, mushrooms, and jalapeños as written.
  • Skip the cheese and bread.
  • Serve over cauliflower rice, sweet potato wedges, or in lettuce cups.

For vegetarian:

  • Swap the steak for sliced portobello mushrooms, seitan, or a plant-based steak substitute.
  • Increase the mushrooms for a meaty texture.
  • Use provolone or a vegetarian-friendly melty cheese if desired.

For vegan:

  • Use seitan, soy-based steak strips, or extra mushrooms instead of beef.
  • Choose vegan cheese slices or a drizzle of dairy-free queso.
  • Use vegan sub rolls and vegan mayo if adding spread.

For lower sodium:

  • Use less added salt and choose lower-sodium cheese.
  • Avoid extra hot sauce if sodium is a concern.
  • Add more mushrooms and peppers to stretch the filling naturally.

How to Store and Reheat Leftovers

If you have leftover filling, let it cool and store it in an airtight container in the refrigerator for up to 3 days.

To reheat, place it in a skillet over medium heat and cook until fully hot. For best food safety, leftovers should be reheated to 165°F. Add fresh cheese after reheating for the best texture.

You can microwave leftovers too, but the skillet keeps the texture better. Bread is always best warmed separately so it does not get soggy.

Approximate Nutrition Per Serving

This is for 1 sandwich, based on 4 total servings and using white American cheese and standard sub rolls.

  • Calories: about 760
  • Protein: about 43g
  • Carbohydrates: about 42g
  • Fat: about 45g
  • Fiber: about 3g
  • Sodium: about 980mg

Nutrition values are estimates and will vary based on bread, cheese, steak cut, and portion size.

Final Thoughts

This homemade Big Kahuna Cheesesteak is one of those sandwiches that feels like comfort food and takeout all at once. It is hot, cheesy, savory, and just spicy enough to keep you coming back for another bite. If you ask me, it is the kind of dinner that disappears fast, so maybe make extra.

If you try this copycat Jersey Mike's cheesesteak recipe, I would love to hear how it turned out. Did you go with provolone or white American? Did you add extra jalapeños? Leave a comment and share your version. And if someone in your family is a cheesesteak fan, send this recipe their way too.

Disclaimer

This recipe is a copycat recipe inspired by Jersey Mike's Big Kahuna Cheesesteak. It is not the original recipe, and no knowledge of the restaurant’s proprietary recipe is implied. Jersey Mike's is a registered trademark of its respective owner. This post is created for informational and entertainment purposes only and is not affiliated with or endorsed by Jersey Mike's.

Simply Copycat Recipes is also an Amazon Affiliate. That means we may earn a small commission from qualifying purchases made through links, at no extra cost to you.

Location: Georgetown, IN, USA

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