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If you're craving a hearty, flavorful burger without the meat, this Portobello Mushroom Burger Recipe is your answer. These juicy portobello mushroom caps soak up a savory blend of olive oil, balsamic vinegar, and garlic powder, then hit the grill for a smoky finish. Perfect for a quick weeknight dinner or a weekend BBQ, these burgers are sure to satisfy everyone at the table. Let's get grilling!
Portobello Mushroom Burger Recipe
Ingredients:
- 4 portobello mushroom caps
- 2 tbsp olive oil
- 1 tsp balsamic vinegar
- 1 tsp garlic powder
- 4 burger buns
- to taste salt and pepper
Instructions:
- Preheat the grill to medium-high heat.
- In a bowl, mix olive oil, balsamic vinegar, and garlic powder.
- Brush the mixture onto both sides of the portobello mushroom caps.
- Season the mushrooms with salt and pepper to taste.
- Grill the mushrooms for about 5 minutes on each side, until tender.
- Toast the burger buns on the grill for a minute or two.
- Assemble the burgers with your favorite toppings and serve.
What You Will Need to Make This Delicious Burger
Read more: Portobello Sandwiches Recipe
What you will need to make Portobello Mushroom Burger
- Portobello mushroom caps: These meaty mushrooms serve as the burger patty, providing a rich, earthy flavor and satisfying texture.
- Olive oil: Adds moisture and helps the mushrooms grill evenly, enhancing their natural taste.
- Balsamic vinegar: Gives a tangy, slightly sweet flavor that complements the mushrooms perfectly.
- Garlic powder: Infuses the mushrooms with a subtle, savory depth, making each bite more flavorful.
- Burger buns: Provide the necessary structure to hold the mushrooms and toppings, adding a soft, slightly sweet contrast.
Essential Tools and Instruments for This Recipe
What tools/instruments will be needed to make Portobello Mushroom Burger Recipe
- Grill: Essential for cooking the mushrooms and toasting the buns, giving them a smoky flavor and perfect texture.
- Basting brush: Needed to evenly coat the mushrooms with the olive oil, balsamic vinegar, and garlic powder mixture.
- Mixing bowl: Used to combine the olive oil, balsamic vinegar, and garlic powder before brushing onto the mushrooms.
- Tongs: Handy for flipping the mushrooms on the grill without damaging them.
- Knife: Useful for slicing any additional toppings you want to add to your burger.

Portobello Mushroom Burger Recipe
Ingredients:
Main Ingredients
- 4 Portobello mushroom caps
- 2 tbsp Olive oil
- 1 tsp Balsamic vinegar
- 1 tsp Garlic powder
- 4 Burger buns
- to taste Salt and pepper
Instructions:
- 1. Preheat the grill to medium-high heat.
- 2. In a bowl, mix olive oil, balsamic vinegar, and garlic powder.
- 3. Brush the mixture onto both sides of the portobello mushroom caps.
- 4. Season the mushrooms with salt and pepper to taste.
- 5. Grill the mushrooms for about 5 minutes on each side, until tender.
- 6. Toast the burger buns on the grill for a minute or two.
- 7. Assemble the burgers with your favorite toppings and serve.
Notes:
Read more: Portobello Stew Recipe
Nutrition value:
Keywords:
Make Ahead and Freezing Tips
Make Ahead Instructions
- Prep the mushrooms by cleaning and marinating them.
- Store in an airtight container in the fridge for up to 24 hours.
- Grill when ready to serve.
Freezing Instructions
- Clean and marinate the mushrooms.
- Place them in a single layer on a baking sheet.
- Freeze until solid, then transfer to a freezer bag.
- Store for up to 3 months.
- Thaw in the fridge before grilling.
For an extra flavor boost, marinate the portobello mushroom caps in the olive oil mixture for at least 30 minutes before grilling. This allows the mushrooms to absorb more of the balsamic vinegar and garlic powder, making them even more delicious.
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