Truffle Parmesan Burger With Roasted Mushrooms

Quick Recipe Version (TL;DR)

• Yield: 4 burgers
• Prep Time: 20 minutes
• Cook Time: 25 minutes
• Total Time: 45 minutes

Quick Ingredients

• Truffle aioli: 1/2 cup mayonnaise, 2 teaspoons truffle oil, 1 teaspoon lemon juice, 1 teaspoon Dijon mustard, 1 grated garlic clove, 1/4 teaspoon kosher salt, 1/8 teaspoon black pepper
• Roasted mushrooms: 1 pound cremini mushrooms, 2 tablespoons olive oil, 1 teaspoon fresh thyme, 1 teaspoon balsamic vinegar, 1/2 teaspoon kosher salt, 1/4 teaspoon black pepper
• Burgers: 2 pounds cold 80/20 ground beef, 1 teaspoon kosher salt, 1 teaspoon black pepper, 1 tablespoon neutral oil
• Buns and toppings: 4 ciabatta rolls, 2 tablespoons unsalted butter, 3 ounces shaved Parmesan, 2 cups baby arugula, 1 teaspoon olive oil, 1 teaspoon lemon juice, 1/4 teaspoon flaky sea salt

Do This

• 1. Mix the truffle aioli and refrigerate while you cook.
• 2. Roast sliced mushrooms at 425°F for 18 to 20 minutes until browned and concentrated.
• 3. Form 2 pounds ground beef into 4 thick patties, about 8 ounces each, then season well.
• 4. Sear patties in a hot cast-iron skillet for 4 minutes on the first side and 5 to 6 minutes on the second side, until they reach 155°F; rest 5 minutes.
• 5. Butter and toast the ciabatta rolls until golden, about 1 to 2 minutes.
• 6. Toss arugula with lemon juice, olive oil, and flaky salt.
• 7. Build each burger with aioli, arugula, beef patty, roasted mushrooms, shaved Parmesan, more aioli, and the top bun.

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Why You’ll Love This Recipe

• Steakhouse flavor at home: Truffle aioli, roasted mushrooms, and shaved Parmesan make this burger feel restaurant-worthy without difficult techniques.
• Juicy thick-cut patties: Using 80/20 ground beef and a hot skillet gives you a deeply browned crust and a tender center.
• Balanced and bold: Peppery arugula and lemon cut through the richness of the beef, cheese, and aioli.
• Easy to prep in stages: The aioli can be made ahead, and the mushrooms can roast while you shape the patties.

Grocery List

• Produce: 1 pound cremini mushrooms, 2 cups baby arugula, 1 lemon, 1 garlic clove, fresh thyme
• Meat: 2 pounds cold 80/20 ground beef
• Dairy: 3 ounces Parmesan cheese for shaving, 2 tablespoons unsalted butter
• Bakery: 4 rustic ciabatta rolls
• Pantry: Mayonnaise, truffle oil, Dijon mustard, olive oil, neutral cooking oil, balsamic vinegar, kosher salt, black pepper, flaky sea salt

Full Ingredients

For the Truffle Aioli

• 1/2 cup mayonnaise
• 2 teaspoons truffle oil, preferably black or white truffle oil with a clean aroma
• 1 teaspoon fresh lemon juice
• 1 teaspoon Dijon mustard
• 1 small garlic clove, finely grated or minced into a paste
• 1/4 teaspoon kosher salt
• 1/8 teaspoon freshly ground black pepper

For the Roasted Mushrooms

• 1 pound cremini mushrooms, wiped clean and sliced 1/4 inch thick
• 2 tablespoons olive oil
• 1 teaspoon fresh thyme leaves
• 1 teaspoon balsamic vinegar
• 1/2 teaspoon kosher salt
• 1/4 teaspoon freshly ground black pepper

For the Thick-Cut Beef Patties

• 2 pounds cold 80/20 ground beef
• 1 teaspoon kosher salt
• 1 teaspoon freshly ground black pepper
• 1 tablespoon neutral oil, such as avocado, canola, or grapeseed oil

For the Buns and Toppings

• 4 rustic ciabatta rolls, split horizontally
• 2 tablespoons unsalted butter, softened
• 3 ounces Parmesan cheese, shaved with a vegetable peeler, about 1 cup loosely packed
• 2 cups baby arugula, lightly packed
• 1 teaspoon olive oil
• 1 teaspoon fresh lemon juice
• 1/4 teaspoon flaky sea salt

Step-by-Step Instructions

Step 1: Make the truffle aioli

In a small bowl, stir together 1/2 cup mayonnaise, 2 teaspoons truffle oil, 1 teaspoon lemon juice, 1 teaspoon Dijon mustard, 1 grated garlic clove, 1/4 teaspoon kosher salt, and 1/8 teaspoon black pepper. Taste it before adding more truffle oil; truffle flavor can become strong quickly. Cover and refrigerate while you prepare the rest of the burger.

For the best flavor, let the aioli sit for at least 15 minutes. This gives the garlic, lemon, mustard, and truffle oil time to blend into a smooth, savory sauce.

Step 2: Roast the mushrooms

Preheat the oven to 425°F. Line a large rimmed baking sheet with parchment paper for easy cleanup. Add the sliced mushrooms, 2 tablespoons olive oil, 1 teaspoon fresh thyme, 1 teaspoon balsamic vinegar, 1/2 teaspoon kosher salt, and 1/4 teaspoon black pepper to the baking sheet. Toss until the mushrooms are evenly coated, then spread them in a single layer.

Roast for 18 to 20 minutes, stirring once halfway through, until the mushrooms are browned at the edges and most of their moisture has evaporated. They should look glossy, deeply savory, and slightly caramelized. Set aside and keep warm.

Step 3: Shape the thick beef patties

While the mushrooms roast, divide the cold ground beef into 4 equal portions, 8 ounces each. Gently shape each portion into a patty about 1 inch thick and slightly wider than the ciabatta rolls, because the patties will shrink as they cook. Press a shallow dimple into the center of each patty with your thumb to help prevent puffing.

Season both sides of the patties with 1 teaspoon kosher salt and 1 teaspoon black pepper total. Try not to overwork the meat; loose, gently handled patties stay more tender and juicy.

Step 4: Sear the burgers

Heat a large cast-iron skillet over medium-high heat for 3 minutes, until very hot. Add 1 tablespoon neutral oil and swirl to coat the pan. Add the patties, leaving space between them; cook in batches if needed so they sear instead of steam.

Cook the patties for 4 minutes on the first side without pressing down on them. Flip once, then cook for 5 to 6 minutes on the second side, or until the center of each patty reaches 155°F on an instant-read thermometer. Transfer the burgers to a plate and rest for 5 minutes; the internal temperature should rise to 160°F as they rest.

Step 5: Toast the ciabatta buns

While the burgers rest, spread the cut sides of the 4 ciabatta rolls with 2 tablespoons softened butter total. Place them cut-side down in the hot skillet or on a griddle over medium heat. Toast for 1 to 2 minutes, until the bread is golden, crisp at the edges, and warmed through.

Ciabatta has a hearty, rustic texture that holds up beautifully to juicy beef and creamy aioli, so do not skip the toasting step. It keeps the burger sturdy and adds a satisfying crunch.

Step 6: Dress the arugula

In a medium bowl, toss 2 cups baby arugula with 1 teaspoon olive oil, 1 teaspoon lemon juice, and 1/4 teaspoon flaky sea salt. Keep the touch light; the arugula should be lightly glossy, not soaked. This fresh, peppery layer brightens the rich truffle, beef, mushrooms, and Parmesan.

Step 7: Assemble the burgers

Spread about 1 tablespoon truffle aioli on the bottom half of each toasted ciabatta roll. Add a small handful of dressed arugula, then place a rested beef patty on top. Spoon the roasted mushrooms over the patty, letting some tumble naturally over the edges.

Add a generous layer of shaved Parmesan, then spread another 1 tablespoon truffle aioli on the top half of each bun. Close the burgers gently, pressing just enough to bring the layers together without squeezing out the juices. Serve immediately while the patties are hot, the Parmesan is slightly softened, and the ciabatta is crisp.

Pro Tips

• Use cold beef: Cold ground beef is easier to shape and holds together better in a thick patty.
• Do not press the patties: Pressing with a spatula pushes out flavorful juices and can make the burger dry.
• Season the outside: Salting the surface helps create a better crust while keeping the inside tender.
• Roast mushrooms in a single layer: Crowded mushrooms steam instead of brown, so use a large baking sheet.
• Go easy on the truffle oil: Start with the measured 2 teaspoons. A little gives a luxurious aroma; too much can overpower the burger.

Variations

• Truffle Swiss Burger: Swap the shaved Parmesan for 4 slices of Swiss or Gruyère, adding the cheese during the final 1 minute of burger cooking so it melts.
• Garlic Mushroom Parmesan Burger: Add 1 minced garlic clove to the mushrooms during the final 5 minutes of roasting for a stronger savory bite.
• Grilled Version: Grill the patties over medium-high heat, about 450°F, for 4 to 5 minutes per side, then toast the ciabatta directly on the grill grates for 30 to 60 seconds.

Storage & Make-Ahead

The truffle aioli can be made up to 3 days ahead and stored in an airtight container in the refrigerator. The mushrooms can be roasted up to 2 days ahead; reheat them in a 350°F oven for 8 to 10 minutes or in a skillet over medium heat for 3 to 4 minutes. Cooked burger patties can be refrigerated in an airtight container for up to 3 days, though they are juiciest when freshly cooked. Reheat patties gently in a covered skillet over medium-low heat for 4 to 6 minutes, or until warmed through. For best results, store the buns, aioli, arugula, mushrooms, Parmesan, and patties separately, then assemble just before serving.

Nutrition (per serving)

Calories: 1125 kcal | Carbs: 48g | Protein: 53g | Fat: 82g | Saturated Fat: 27g | Fiber: 3g | Sugar: 4g | Sodium: 1320mg | Cholesterol: 160mg