Here’s a super easy recipe for juicy, caramelized portobello mushroom burgers that you’re going to love!

With all its rich and “meaty” flavors, this veggie burger is a simple and healthy choice at a cook out or for lunch.

As soon as people taste this burger, they fall in love with it. They’re my sister’s absolute favorite burger choice and I think you’ll understand why.

Why you’ll love these portobello mushroom burgers

  • They’re healthy: Portobello mushrooms are low in calories and fat, but high in fiber and nutrients, so they’re a great option for anyone looking to eat healthier.
  • Easy to make: These burgers are simple to make and don’t require any fancy kitchen equipment or complicated techniques.
  • They’re versatile: You can customize these burgers to your liking by adding different toppings and sauces, so you can enjoy a different flavor every time you make them.

Looking for more recipes? Here are some of my favorites:

Ingredients and substitution notes 

You can use other types of mushrooms in place of portobello should you wish to. You’ll just need to keep in mind the difference in textures and flavors depending on the mushroom your select.

Recipe variations and add-ins

  • Spicy: Add some chopped jalapeños or red pepper flakes onto your mushrooms.
  • Herbed: Mix in some chopped fresh herbs like parsley, basil, or thyme to the mushroom mixture for added flavor.
  • Mushroom and Quinoa: Serve cooked quinoa with the mushroom mixture for added protein and texture.
  • BBQ: Brush the mushroom caps with your favorite vegan BBQ sauce before cooking for a smoky, savory flavor.
  • Mushroom and Lentil:  Serve cooked lentils with the mushroom mixture for added protein and texture.
  • Mushroom and Walnut: Mix in chopped walnuts with the mushroom mixture for added texture and a nutty flavor.
  • Mediterranean: Add some chopped sun-dried tomatoes, olives, and vegan feta cheese to the mushroom mixture for a Mediterranean twist

Top tips for making portobello mushroom burgers

Here are some tips to getting the tastiest veggie burger on the town:

  • Clean the mushrooms: Gently wipe the mushroom caps with a damp paper towel or mushroom brush to remove any dirt or debris.
  • Remove the stems and gills: Use a spoon or knife to remove the stems and gills from the underside of the mushroom caps. The gills can become dark and unappetizing when cooked, and removing them will also allow the mushroom to cook more evenly.
  • Cook the mushrooms properly: Heat a grill pan, outdoor grill, or skillet over medium-high heat and lightly oil the surface. 

Make ahead of instructions and storage

Cook the mushrooms in advance and store them in an airtight container in the refrigerator for up to 2 days. Reheat in the microwave or oven before assembling the burgers.

If you have leftover cooked mushrooms, store them in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave or oven before using in a burger.

If you have leftover assembled burgers, wrap them tightly in plastic wrap or aluminum foil and store in the refrigerator for up to 1 day. Reheat in the microwave or oven before serving.

You can freeze cooked mushrooms for longer storage. Wrap tightly in plastic wrap or aluminum foil and store in the freezer for up to 2 months. Thaw in the refrigerator overnight before reheating.

Note: The texture of the mushrooms may change slightly after being frozen and thawed, so they may not be quite as tender and juicy as fresh mushrooms.

Portobello Mushroom Burger Serving suggestions

Here are some tasty suggestions for what to do with your portobello mushroom burgers: 

  • Classic Style: Serve the Portobello mushroom burgers on toasted buns with lettuce, tomato, onion, and your favorite condiments like ketchup or vegan mayo.
  • Guacamole Topping: Spread a generous amount of guacamole on top of the cooked mushrooms and top with some sliced tomato and red onion for a Mexican-inspired burger.
  • Mediterranean Twist: Top the cooked mushrooms with some crumbled vegan feta cheese, roasted red peppers, and a dollop of hummus for a Greek-style


What are portobello mushroom burgers and how do I make them?

Portobello mushroom burgers are a delicious vegetarian alternative to traditional beef burgers. They are made by grilling or sautéing large portobello mushroom caps until tender and juicy, then placing them on a bun with toppings of your choice, such as lettuce, tomato, cheese, and condiments

Are portobello mushroom burgers healthy?

Portobello mushroom burgers can be a healthy option, as they are low in calories and fat and high in fiber and nutrients. 

Portobello mushrooms are a good source of antioxidants, vitamins, and minerals, including potassium, selenium, and B vitamins. However, the nutritional value of your portobello mushroom burger will depend on the toppings you choose. 

Can I freeze portobello mushroom burgers? 

Portobello mushroom burgers are best consumed fresh, but if you need to store them for later use, you can freeze them. Allow the cooked mushroom caps to cool down to room temperature before placing them in a freezer bag or container. 

Make sure to remove as much air as possible to prevent freezer burn. Thaw the burgers in the fridge overnight before reheating them in the oven or on the grill.

What are some toppings that go well with portobello mushroom burgers? 

Portobello mushroom burgers are versatile and can be topped with a variety of ingredients. Some popular toppings include lettuce, tomato, onion, avocado, vegan cheese, vegan mayo, and ketchup. You can also add sautéed onions, roasted peppers, or pesto for extra flavor.

Wrapping it up

Enjoy these juicy portobello mushroom burgers at your next lunch or cookout. They are a great base upon which to add to and build on.

Leave me a comment if you make them to let me know how they turned out!

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Portobello Mushroom Burger

Portobello Mushroom Burgers

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  • Author: Chef Ani


Here’s a super easy recipe for a juicy, caramelized portobello mushroom burger that you’re going to love!


  • 24 large Portobello Mushrooms
  • Olive oil
  • Salt


  1. Clean and remove stem from the mushrooms.
  2. Brush with oil and sprinkle with a little bit of salt.
  3. Place, stem side up, on the griddle. and cook for approximately 4 minutes on each side, flipping half way through cooking time.
  4. Serve in a whole wheat burger bun with your favorite condiments.
I often serve my mushroom burger with pesto and arugula, which adds an excellent flavor.


You can marinate the mushrooms prior to grilling:  1/4 c olive oil, 2 tablespoons fresh lemon juice, 3 tablespoon grape juice concentrate, 2-3 garlic cloves minced, 1/2 teaspoon salt, 1/2 teaspoon onion powder, pinch of rosemary


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