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Avocado Portobello "Burger"

Updated: May 17, 2023

Try this great plant-based substitute for a popular meal choice!

What sounds better than cooking a burger on the grill in the middle of summer? If that sounds good to you, you are not alone. While delicious, substituting meat for a plant-based alternative every once in a while can help improve overall health. Enter the Mushroom. Portobello Mushrooms are large caps that are the same size as a burger and have the same "meaty" texture when cooked. Mushrooms in general are filled with antioxidants, provide dietary fiber, and help on a weight loss journey since they are a low-calorie food. So, let's get to it!

Avocado Portobello Burger


Here is what you will need:

  • 1 tbsp olive oil

  • 1 tsp balsamic vinegar

  • 1 portobello mushroom cap, rinsed and stem removed (if present)

  • 1/2 avocado

  • 1 bun

  • 1 slice tomato

  • 1 romaine leaf

  • 2 tsp Vegenaise


  1. Preheat the pan over medium-high heat.

  2. Brush both sides of the mushroom with olive oil and vinegar.

  3. Add the mushroom to the pan when preheated and cook until brown on each side, about 3 minutes on each side. Cook longer if desired. Remove from pan.

  4. Optional: brush the inside of the bun with the remaining olive oil and toast in the pan.

  5. Slice half an avocado lengthwise into strips and remove from the outer peel.

  6. Smear Vegenaise on the bottom bun. Top with lettuce, tomato, slices of avocado, and finally portobello.

  7. Enjoy!

Other Options

  1. Trying to reduce carbs? Cut out either half the bun or the top!

  2. Looking to increase protein? Try an over-hard egg.

  3. Watching your potassium? Remove the tomato or the avocado.

  4. More flavor, fewer calories? Add some kraut or red onion.

Let me know what you think! Make sure to leave comments below about what you think or how you would make the burger your own!

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