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Delicious Smoked Portobello Mushrooms on a Primo Smoker

Welcome to another mouth-watering vegetarian recipe from our kitchen! Today, we’re going to dive into the world of smoking with a Primo Smoker, and our star ingredient is the humble yet versatile Portobello mushroom. This recipe is perfect for those who love the deep, smoky flavors that a smoker imparts, and it’s incredibly easy to make. Let’s get started!

Smoked portobello mushrooms


  • 4 large Portobello mushrooms

  • 1/4 cup olive oil

  • 3 tablespoons balsamic vinegar

  • 2 cloves garlic, minced

  • 1 teaspoon dried thyme

  • 1 teaspoon dried rosemary

  • Salt and pepper to taste

  • Fresh parsley, chopped (for garnish)

Portobello mushrooms



  1. Clean the Mushrooms: Start by cleaning your Portobello mushrooms. Use a damp paper towel to wipe off any dirt from the mushroom caps. Remove the stems and gills using a spoon to create a smooth surface for marinating.

  2. Prepare the Marinade: In a small bowl, whisk together olive oil, balsamic vinegar, minced garlic, dried thyme, dried rosemary, salt, and pepper.

  3. Marinate the Mushrooms: Place the mushrooms in a large resealable plastic bag or a shallow dish. Pour the marinade over the mushrooms, ensuring they are well-coated. Seal the bag or cover the dish and refrigerate for at least 1 hour, preferably longer for more intense flavor.


  1. Prepare the Primo Smoker: Preheat your Primo Smoker to 225°F (107°C). If using wood chips for extra flavor, soak them in water for about 30 minutes, then drain and add them to the smoker.

  2. Smoke the Mushrooms: Place the marinated Portobello mushrooms directly on the grill grates of the smoker. Close the lid and smoke for about 1.5 to 2 hours, or until the mushrooms are tender and have absorbed the smoky flavor.

Portobello mushrooms


  1. Finishing Touches: Once the mushrooms are done, remove them from the smoker. Let them rest for a few minutes before slicing.

  2. Garnish and Serve: Garnish with fresh chopped parsley and serve warm. These smoked Portobello mushrooms can be enjoyed on their own, as a side dish, or even as a savory burger substitute.

Smoked mushrooms

Tips for the Perfect Smoked Portobello Mushrooms

  • Marinate Longer: If you have the time, marinate the mushrooms overnight. This allows the flavors to penetrate deeply, making for an even more delicious result.

  • Wood Chips: For a more robust flavor, consider using wood chips such as hickory, apple, or cherry. Each type of wood will impart a different flavor profile to the mushrooms.

  • Additional Toppings: Get creative with toppings! Consider adding a slice of smoked cheese, caramelized onions, or a drizzle of truffle oil for an extra touch of indulgence.

There you have it – a simple yet incredibly flavorful vegetarian recipe for your Primo Smoker. These smoked Portobello mushrooms are sure to be a hit at your next cookout, even among the meat-lovers in your crowd. Enjoy the rich, smoky goodness and don’t forget to share your smoking adventures with us in the comments below!

Happy smoking!

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