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Vegan Portobello Burger with Black Bean-Beet Patty and Hummus

Vegan Portobello Burger Recipe

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I have seen so many gorgeous vegan Portobello burger pictures all over social media, but only now did I decide to try creating one myself. Believe it or not, but it was easier than I initially thought. After all, I already had black bean-beet patty recipe that I knew would be perfect with the burger. So, it was just the matter of roasting the Portobello mushrooms and coming up with a tasty sauce for my vegan burger.




  • 1 can unsalted black beans, rinsed and drained
  • 1 medium onion, chopped
  • 1 tsp. garlic powder
  • ½ tsp. cumin seeds, crushed
  • Handful of fresh coriander, chopped
  • 1 tbsp. raw buckwheat flour
  • 1 tbsp. tapioca flour
  • 1 tbsp. gluten-free jumbo oats
  • 400g (14oz) grated beet
  • Himalayan salt and black pepper to taste


  • 1 can unsalted chickpeas, washed and rinsed
  • 2 tbsps. lemon juice
  • Himalayan salt to taste
  • ½ tsp. garlic powder
  • 1 tsp. (10g, 0.4oz) unsalted tahini or ground sesame seeds
  • ½ tsp cumin seeds, crushed (optional)
  • 1 tsp. turmeric
  • Some water (enough for desired consistency)



  1. Mash rinsed and drained black beans in a bigger bowl.
  2. Drain grated beets from excess liquid (drink it or use as salad dressing).
  3. Add chopped onion, garlic powder, crushed cumin seeds, beets, coriander, flours, and oats to the bowl of black beans and mix well until homogeneous batter forms. It’s best achieved by using your hands.
  4. Season with Himalayan salt and black pepper.
  5. Form 6 patties and place them on a baking sheet lined with parchment paper.
  6. Bake at 175°C (350°F) for 30 minutes flipping them halfway through.


  1. Blend with an immerse blender or in food processor until smooth.
  2. Store in a sealed container in the fridge for up to 3 days.

How to Roast Portobello Mushrooms

  1. Preheat oven to 220°C (425°F).
  2. Place the mushrooms, gill side up on baking sheet lined with parchment paper and brush the gills as well as caps of mushrooms with some soy sauce.
  3. Bake for 20 minutes flipping the caps halfway through.

Compiling Vegan Portobello Burger

  1. Cut the stems off of Portobello mushrooms – just eat them right then and there or add to meals.
  2. Spread some hummus into the gill-side of the cap.
  3. Add something green, i.e. spinach, arugula, chicory, or lettuce.
  4. Next, add one black bean-beet patty.
  5. After that it’s hummus’s turn again.
  6. Place a thin slice of carrot over the layer of hummus and finish off with some more greens.
  7. Finally, spread some hummus into another mushroom cap and place it gill-side down on top of your vegan Portobello burger. Voilá!
  • Method: Baking

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