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Portobello Mushroom Sliders with Caramelized Onions
(Published: )
Prep Time Cooking Time Servings
4 people
  • 4 large portobello mushrooms sliced
  • 2 cups arugula or thinly shredded lettuce
  • 1 white onion sliced into rings
  • 8 buns
  • Marinade
  • 4 tbsp balsamic vinegar
  • 4 tbsp olive oil
  • 1/2 cup white wine
  • 4 gloves garlic minced
  • salt and pepper
  • Rosemary Aioli
  • 6 sprigs rosemary leaves minced
  • 6 gloves garlic crushed
  • 1/2 cup vegan mayonnaise (search in recipe)

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1. In a bowl, mix all the marinade ingredients and allow the mushroom slices to soak for at least 30 minutes.

2. Pour 2 tablespoons of olive oil into a saucepan over medium heat, and add onions to caramelize over low heat for about 10-15 minutes, making sure not to burn the onions.

3. Add the portobello slices with marinade into the saucepan over medium-high heat and cook until reduced and mushrooms are fully cooked.

4. Mix rosemary aioli ingredients together.

5. On 8 small dinner roll or ciabatta bun, spread the aioli evenly and place the greens on top before adding the mushrooms.

Optional: add vegan cheese for a vegan cheesy mushroom slider!

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