Grilled Mushroom & Swiss Burger Recipe for Juicy Flavor

Grilled Mushroom and Swiss Burgers bring restaurant-quality flavor to your backyard grill with surprisingly simple preparation. Seasoned ground beef patties are topped with melted Swiss cheese, smoky grilled mushrooms, and crispy onion strings for a rich, satisfying burger experience.

Mushroom and Swiss Burger

A mushroom and Swiss burger from a drive-thru is tempting, but grilling both the patties and the mushrooms adds depth and a smoky finish that makes these homemade burgers stand out. They’re easy enough for weeknights and impressive enough for cookouts.

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Grilled Mushroom & Swiss Burgers

How to Grill Mushroom and Swiss Burgers:

Steak Rub Ingredients

  • Make the steak rub by combining brown sugar, granulated garlic, smoked paprika, kosher salt, black pepper, and dry mustard in a small bowl.

Seasoned Ground Beef for Burgers

  • Mix the steak rub into 2 pounds of lean ground beef (or ground chuck) until evenly distributed.

Burger patties

  • Form the meat into six patties, pressing a slight indentation in the center of each to help them cook evenly.
  • Prepare your grill for a moderate fire around 300°F and add hickory or oak for the best smoky flavor.

Sliced Mushrooms

  • Clean mushrooms, pat them dry, and slice thin. Toss with olive oil, 1/2 teaspoon kosher salt, and 1/2 teaspoon black pepper.

Grilled Mushrooms

  • Place the seasoned mushrooms in a grill pan and cook them over indirect heat so they can soften and absorb smoke without burning.

Grilled Burgers

  • Grill the patties over direct heat about 8–10 minutes per side, or until the internal temperature reaches 165°F.
  • Place slices of Swiss cheese on the burgers during the final minute so they melt over the patties.

Easy Onion Strings

  • While the burgers cook, prepare crispy onion strings. These can be fried on a propane burner outdoors or quickly prepared on the stovetop.

Burgers with mushroom, Swiss & onion strings

  • Assemble the burgers: layer the bun with onion strings, add the melted-Swiss-topped patty, pile on the grilled mushrooms, and finish with your favorite condiments.

These burgers pair well with classic sides like fries, creamy potato salad, or coleslaw. For a summer twist, serve them with grilled Mexican street corn. If you enjoy burgers, you might also like variations such as classic grilled burgers, BBQ-style burgers, or onion burgers for quick weeknight meals.

Burger and fries

Burgers are an easy, versatile dinner solution and a must for backyard gatherings. Skip the ordinary—these grilled mushroom and Swiss burgers deliver bold flavor with melted cheese, smoky mushrooms, and crunchy onion strings.

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Grilled Mushroom & Swiss Burgers

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Grilled Mushroom and Swiss Burgers

Seasoned beef patties topped with Swiss cheese, smoky grilled mushrooms, and crispy onion strings for a flavorful, classic burger.
Prep Time10 minutes
Cook Time20 minutes
Total Time30 minutes
Course: Burgers
Cuisine: American
Keyword: Grilled mushroom burgers, Swiss burgers
Servings: 6 burgers
Author: Milisa

Ingredients

For the Steak Rub:

  • ¼ cup brown sugar
  • 2 tablespoons granulated garlic
  • 1 tablespoon smoked paprika
  • 1 tablespoon kosher salt
  • 1 tablespoon black pepper
  • 1 teaspoon dry mustard

For the Burgers

  • 2 pounds lean ground beef
  • 8 oz white mushrooms
  • 1 tablespoons olive oil
  • ½ teaspoon kosher salt
  • ½ teaspoon black pepper
  • 6 slices Swiss Cheese
  • 6 burger buns
  • Onion Strings

Instructions

  • Combine the steak rub ingredients: brown sugar, granulated garlic, smoked paprika, 1 tablespoon kosher salt, 1 tablespoon black pepper, and dry mustard.
  • Add the ground beef to a bowl, mix in the rub, and form into six patties with a slight center indentation.
  • Set up the grill for a 300°F fire and add hickory or oak for smoke flavor.
  • Wash and slice mushrooms, toss with olive oil, ½ teaspoon salt, and ½ teaspoon pepper, and place them in a grill pan over indirect heat.
  • Grill the burgers over direct heat and position the mushrooms over indirect heat.
  • Cook the burgers 8–10 minutes per side, or until they reach an internal temperature of 165°F.
  • Stir the mushrooms occasionally so they cook evenly and absorb smoke flavor.
  • Top the burgers with Swiss cheese to melt, then remove both burgers and mushrooms from the grill.
  • Assemble the burgers on buns with onion strings, the patty, grilled mushrooms, and your preferred condiments.