Longhorn Steakhouse Parmesan Chicken

Recreate the legendary Longhorn Steakhouse Parmesan Chicken at home with this foolproof copycat recipe featuring a juicy, seared chicken breast topped with a rich, bubbling parmesan-provolone crust and crispy panko.

Why This Recipe Works:

• The Mayo Emulsion: Using mayonnaise instead of heavy cream creates a stable fat-and-water emulsion that won't break or curdle under the high heat of the broiler.
• Two-Stage Cooking: Searing the chicken first locks in moisture and initiates the Maillard reaction, while finishing under the broiler melts the cheese to bubbly perfection.
• The Acid Balance: A splash of fresh lemon juice cuts through the rich parmesan and provolone, keeping the dish from feeling overly heavy.

I still remember the exact Tuesday night three years ago when I tried to recreate this legendary chain-restaurant dish at home, only to end up with a soggy, grey mess of chicken breasts that looked more like wet cardboard than dinner.

My husband politely choked down a few bites, but the disappointment in our kitchen was practically palpable.

Here is the scientific reality: most home cooks fail at this because they slather cold ranch dressing directly onto wet, raw chicken breasts, which completely prevents the proteins from undergoing the Maillard reaction.

It turns into a watery, steamed disaster.

Before you even turn on the stove, grab a heavy rolling pin and pound those chicken breasts to an even half-inch thickness until your forearms ache.

Bear with me here, but we need to think about this in terms of physics: we must first sear the chicken in a screaming-hot cast-iron skillet to build a deeply browned crust, then build a stable emulsion using high-quality mayonnaise as our fat base so the cheese topping clings to the meat instead of sliding off into the pan.

Tap the tongs against your hip.

Trust me on this one, this foolproof method delivers that exact, ultra-savory, golden-crusted restaurant profile right in your own kitchen without any fancy equipment, much like the technique we use for our popular Garlic Parmesan Chicken Skewers.

Longhorn Steakhouse Parmesan Chicken

• Publisher Storied Skillet
• Cuisine American
• Category Dinner, Chicken
• Prep Time 15 mins
• Cook Time 20 mins
• Servings 4
• Calories 580 calories
• Rating 4.8 4746
• Tags Longhorn Steakhouse Parmesan Chicken, copycat recipe, parmesan crusted chicken, easy chicken dinner

Ingredients

• 4 boneless, skinless chicken breasts (pounded to 1/2-inch thickness)
• 1 tbsp olive oil
• 1 tsp Diamond Crystal kosher salt
• 1/2 tsp freshly cracked black pepper
• 1/2 cup high-quality mayonnaise (such as Duke's or Hellmann's)
• 1/2 cup freshly grated Parmesan cheese (divided)
• 1/2 cup shredded provolone cheese
• 1/4 cup panko breadcrumbs
• 2 tbsp unsalted butter (melted)
• 1/2 tsp garlic powder

Directions

1. Pat the chicken breasts completely dry with paper towels to remove surface moisture. Season both sides evenly with Diamond Crystal kosher salt and black pepper.
2. Heat olive oil in a heavy cast-iron skillet over medium-high heat. Sear the chicken for 4 to 5 minutes per side until a deep golden-brown crust forms, then transfer the breasts to a baking dish.
3. In a small bowl, whisk together the mayonnaise, garlic powder, and 1/4 cup of the grated Parmesan cheese until smooth and fully emulsified.
4. Spread the mayonnaise mixture evenly over the top of each seared chicken breast, then layer the shredded provolone and the remaining Parmesan cheese on top.
5. In a separate small bowl, toss the panko breadcrumbs with the melted butter until evenly coated, then sprinkle the mixture over the cheese layer.
6. Place the baking dish under the broiler on high for 3 to 4 minutes, watching closely, until the cheese is bubbling and the panko is deeply golden brown.

Notes

• Salt Conversion: I highly recommend using Diamond Crystal kosher salt for seasoning. If you only have Morton's kosher salt or standard table salt, cut the measurement in half (use 1/2 teaspoon) to avoid over-salting the chicken.
• The Mayo Science: Do not swap the mayonnaise for sour cream or Greek yogurt. Mayonnaise is a stable emulsion of oil and egg yolks that can withstand the intense heat of the broiler without breaking into a greasy puddle, whereas yogurt will curdle and separate.
• Broiler Warning: Keep your eyes glued to the oven window during the final broiling step. The transition from perfectly golden-brown panko to a blackened, bitter char happens in a matter of fifteen seconds; do not walk away to wash dishes.
• Storage Behavior: After a day in the fridge, the crispy panko crust will inevitably lose its crunch as it absorbs moisture from the chicken. To revive it, reheat in an air fryer or oven rather than the microwave.
• Brand Testing: Generic store-brand mayonnaise failed every single test because its high water content caused the emulsion to split instantly under the broiler, leaving a watery mess. Stick to Duke's or Hellmann's.

Serving Suggestions

Complete this restaurant-style meal by pairing the rich, cheesy chicken with sides that cut through the decadence or complement the savory garlic-herb profile.

• Serve alongside our crispy Garlic Parmesan Potato Wedges to double down on the savory garlic-herb profile.
• Balance the richness with a bright, acidic side like our refreshing Watermelon Feta Salad.
• Toss a fresh green salad with a zesty lemon vinaigrette to cleanse the palate between bites.
• Pair with steamed green beans or roasted broccoli drizzled with fresh lemon juice.

Storage and Reheating

Let's be completely honest about leftovers.

This chicken is absolutely spectacular when served fresh and bubbling straight from the oven, but storing it requires a tiny bit of strategy to prevent the topping from turning into a soggy, sad blanket.

Store any leftover chicken breasts in an airtight glass container in the refrigerator for up to three days.

When you are ready to reheat, please step away from the microwave, as it will turn the chicken rubbery and make the cheese sweat oil.

Instead, pop the chicken into an air fryer at 350°F for about 5-6 minutes, or bake it in a 375°F oven until the cheese is hot and the panko crisps back up.

Ingredient Substitutes

If you find yourself missing a few key items in your pantry, don't panic—here are the easiest swaps that won't ruin your dinner.

1. Provolone Cheese: If you don't have provolone, low-moisture mozzarella or Monterey Jack make excellent melty substitutes.
2. Panko Breadcrumbs: Regular breadcrumbs will work in a pinch, but panko provides that signature airy crunch. You can also use crushed buttery crackers for a richer topping.
3. Mayonnaise: If you absolutely refuse to use mayo, you can use our Mayo Parmesan Chicken guide to see how a thick Greek yogurt can be stabilized, though mayo remains the gold standard for texture.
4. Garlic Powder: Freshly minced garlic can be used, but mix it thoroughly into the mayo to prevent the raw garlic bits from burning under the broiler.

Once you pull this bubbling, golden masterpiece out of your oven and hear that satisfying crunch under your knife, you'll never want to pay restaurant prices for it again. Let me know how yours turns out, and don't forget to watch that broiler!