Grilled Portobello Mushrooms

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Grilled Portobello Mushrooms
Grilled Portobello Mushrooms

Grilled Portobello mushrooms are the steaks of the mushroom family. Here they are marinated and grilled, yummy! If you ever need an incentive to break out the grill, pick up a pound of portobello mushrooms for a barbecue with friends. Though the flavor of grilled portobello mushrooms is extremely elevated over an open flame, these flat brown caps can be your new favorite all-year round–inside or out.

There’s no doubt that Portobello mushrooms are probably the most recognizable mushrooms out there. It’s actually the most mature stage of the White Button mushroom and they are also known as Field mushrooms and Open-Cap mushrooms. Cremini mushrooms are young Portobellos and are also known as Brown mushrooms, Roman, Classic Brown, Golden Italian, and Baby Bellas. This recipe made our suggestions for a perfect Father’s Day Menu.

Portobello Mushroom Nutrition

Portobello, or portabella, mushrooms are the mature form of baby crimini mushrooms. They grow up to 6 inches in diameter and possess a flat cap with a dense, meaty texture. Mushrooms are one of the few natural sources of vitamin D, but the amount they contain depends on their exposure to ultraviolet light.

Most portobellos only have a small amount, but some producers significantly boost the vitamin D by treating them with ultraviolet light, according to the U.S. Department of Agriculture. One cup of diced portobello, which equals about one mushroom, has 19 calories, 2 grams of portobello mushroom protein and 3 grams of total carbohydrates, according to the USDA.

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Grilled Portobello Mushrooms

Portobello mushrooms are the steaks of the mushroom family.

  • Author: BFOLLICK
  • Prep Time: 70
  • Cook Time: 10
  • Total Time: 80


Units Scale
  • 3 portobello mushrooms
  • 1/4 cup canola oil
  • 3 tablespoons chopped onion
  • 4 cloves garlic, minced
  • 4 tablespoons balsamic vinegar


  1. Clean mushrooms and remove stems, reserve for other use. Place caps on a plate with the gills up.
  2. In a small bowl, combine the oil, onion, garlic and vinegar. Pour mixture evenly over the mushroom caps and let stand for 1 hour.
  3. Grill over hot grill for 10 minutes. Serve immediately.


  • Serving Size: 3
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