These burgers are delicious. The thick and chewy texture of the grilled portobellos gives them a nice “meaty” feeling that even meat eaters love. And yes, eating the filled to the brim burgers is a bit messy, so have paper towels on hand :). You will be rewarded though with a great flavor.




P1020923…told you it’s messy…

Portobello Burger
Author: Ursula Hienz
Prep time:
Cook time:
Total time:
Serves: 4
  • 4 portobello mushroom
  • Vegan mayonnaise
  • Dijon mustard
  • Ketchup
  • Salad leaves
  • 1 large tomato, sliced
  • 1 sweet onion, cut in thin slices
  • Salt, black pepper
  • 1 avocado, sliced (optional)
  • 1 slice of vegan cheese (optional)
  • Whole grain burger buns
  1. On the grill or in a pan roast portobellos until browned on both sides. If you are using cheese, place it on top pf the mushrooms and heat until melted.
  2. Meanwhile, in a skillet or on the grill, roast onions until caramelized and browned. Toast buns, add ketchup, mustard and mayonnaise and layer with vegetables.


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