Steakhouse Garlic Butter Mushrooms

Juicy garlic butter grilled mushrooms with charred edges on a rustic platter Save
Juicy garlic butter grilled mushrooms with charred edges on a rustic platter | plateofcomfort.com

These steakhouse-inspired grilled mushrooms are tossed in a luscious blend of melted butter, olive oil, minced garlic, fresh parsley, and thyme, then left to soak up every bit of flavor for 30 minutes.

Grilled over medium-high heat until golden and tender with beautiful char marks, they make an irresistible side for steaks, chicken, or even a hearty vegetarian main. A splash of soy sauce and balsamic vinegar adds depth, while a final sprinkle of parsley keeps things fresh.

The smell of garlic hitting melted butter on a hot grill is enough to make anyone stop mid conversation and drift toward the kitchen.

My friend Laura brought a platter of these to a backyard cookout last summer, and three of us stood over them with forks before the burgers even came off the grill.

Ingredients

  • 500 g cremini or button mushrooms, cleaned and stemmed: Cremini hold up beautifully to grilling and soak up marinade like tiny sponges.
  • 4 tbsp unsalted butter, melted: Butter adds a richness that oil alone cannot replicate.
  • 3 tbsp olive oil: Prevents the butter from burning at high grill temperatures.
  • 4 garlic cloves, minced: Fresh garlic is nonnegotiable here, the jarred stuff will not do this marinade justice.
  • 2 tbsp fresh parsley, finely chopped: Brings a bright finish that cuts through the richness.
  • 1 tbsp fresh thyme leaves or 1 tsp dried: Thyme and mushrooms are old friends that belong together.
  • 1 tbsp soy sauce or tamari: Adds umami depth that makes people wonder what your secret ingredient is.
  • 1 tsp balsamic vinegar: A tiny splash rounds everything out with a subtle sweetness.
  • 1/2 tsp freshly ground black pepper: Always grind it fresh for the best flavor punch.
  • 1/2 tsp fine sea salt: The soy sauce already adds saltiness, so keep this light.

Instructions

Whisk the marinade together:
In a large mixing bowl, whisk the melted butter, olive oil, garlic, parsley, thyme, soy sauce, balsamic vinegar, pepper, and salt until everything is fully combined and fragrant.
Coat the mushrooms:
Toss the mushrooms into the bowl and stir with your hands or a spatula until every single cap glistens with marinade, then cover and refrigerate for at least 30 minutes or up to 2 hours.
Get the grill ripping hot:
Preheat your grill or grill pan over medium high heat until you can feel the warmth radiating when you hold your hand a few inches above the surface.
Arrange and grill:
Thread smaller mushrooms onto skewers or place larger ones directly on the grate, then grill for 8 to 10 minutes, turning every couple of minutes and basting with leftover marinade until golden and tender.
Serve and enjoy:
Transfer the mushrooms to a warm platter, hit them with an extra sprinkle of parsley, and serve immediately while the edges still have that irresistible char.
Golden steakhouse style grilled mushrooms glistening with herb butter and fresh parsley Save
Golden steakhouse style grilled mushrooms glistening with herb butter and fresh parsley | plateofcomfort.com

There is something deeply satisfying about watching mushrooms transform on a hot grill, their edges crisping while their centers stay juicy and tender.

Mixing Up Your Mushroom Selection

While cremini are my go-to for their sturdy texture and mild flavor, playing with different varieties changes the whole character of this dish.

What to Serve Alongside

These mushrooms are a natural companion to grilled steak or chicken, but they also shine piled onto crusty bread with a glass of something bold and red.

Making It Your Own

Once you have the base marinade down, start riffing on it based on what you have around the kitchen.

  • A squeeze of lemon right before serving wakes everything up beautifully.
  • Swap half the butter for a spoonful of miso paste for an even deeper savory note.
  • Taste a mushroom before serving and adjust salt and pepper as needed.
Tender marinated grilled mushrooms coated in rich garlic butter ready to serve Save
Tender marinated grilled mushrooms coated in rich garlic butter ready to serve | plateofcomfort.com

Keep it simple, let the grill do its work, and share these with someone who appreciates the small magic of garlic and butter.

Common Recipe Questions

Cremini and button mushrooms are excellent choices due to their firm texture and ability to hold up on the grill. You can also mix in shiitake or portobello pieces for added variety and deeper flavor.

A minimum of 30 minutes in the refrigerator is recommended, but you can marinate them for up to 2 hours for a more pronounced flavor. Avoid marinating longer as the mushrooms may become too soft.

Yes, simply substitute the unsalted butter with an equal amount of vegan butter or additional olive oil. The garlic and herb flavors will still shine through beautifully.

Skewers are helpful for smaller mushrooms to prevent them from falling through the grill grates. If using larger mushrooms or a grill pan, you can arrange them directly on the surface without skewers.

They pair wonderfully with grilled steak, roasted chicken, or fish. For a vegetarian meal, serve them alongside a grain bowl or on top of creamy polenta. A bold Cabernet Sauvignon complements the flavors nicely.

Absolutely. Replace the fresh thyme with 1 teaspoon of dried thyme. While fresh parsley is preferred for brightness, you can use dried parsley in a pinch, though the flavor will be more subdued.

Steakhouse Garlic Butter Mushrooms

Tender cremini mushrooms marinated in garlic butter and grilled to smoky, golden perfection.

Prep 15m
Cook 10m
Total 25m
Servings 4
Difficulty Easy

Ingredients

Mushrooms

  • 1 lb cremini or button mushrooms, cleaned and stemmed

Marinade

  • 4 tbsp unsalted butter, melted
  • 3 tbsp olive oil
  • 4 garlic cloves, minced
  • 2 tbsp fresh parsley, finely chopped
  • 1 tbsp fresh thyme leaves (or 1 tsp dried thyme)
  • 1 tbsp soy sauce (use tamari for gluten-free)
  • 1 tsp balsamic vinegar
  • ½ tsp freshly ground black pepper
  • ½ tsp fine sea salt

Instructions

1
Prepare the Garlic Butter Marinade: In a large mixing bowl, whisk together the melted butter, olive oil, minced garlic, parsley, thyme, soy sauce, balsamic vinegar, black pepper, and salt until thoroughly combined.
2
Marinate the Mushrooms: Add the cleaned mushrooms to the bowl and toss well to coat each one evenly in the marinade. Cover and refrigerate for at least 30 minutes, or up to 2 hours for a more intense flavor.
3
Preheat the Grill: Preheat a grill or grill pan over medium-high heat until it reaches proper cooking temperature.
4
Arrange Mushrooms for Grilling: Thread smaller mushrooms onto skewers for easier handling, or arrange larger mushrooms directly on the grill grates.
5
Grill to Perfection: Grill the mushrooms for 8 to 10 minutes, turning occasionally, until golden brown, tender, and beautifully marked with grill lines. Baste once or twice with any remaining marinade during cooking.
6
Serve: Remove the mushrooms from the grill and transfer to a serving platter. Sprinkle with additional fresh parsley if desired and serve warm.
Additional Information

Equipment Needed

  • Large mixing bowl
  • Whisk
  • Grill or grill pan
  • Skewers (if using smaller mushrooms)
  • Tongs

Nutrition (Per Serving)

Calories 130
Protein 3g
Carbs 7g
Fat 11g

Allergy Information

  • Contains dairy (butter)
  • Contains soy (soy sauce)
  • May contain gluten (use tamari to ensure gluten-free)
Margot Ellis

Passionate home cook sharing easy, nourishing recipes for everyday family meals.