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Smoky and meaty portobello mushroom tacos with fresh garnishes.
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5 from 3 votes

Mushroom Tacos Recipe

These smoky oven-roasted mushroom tacos use portobello caps for a juicy, steak-y bite – without babysitting a skillet or ending up with soggy mushrooms. A quick spice rub (cumin, ancho chile powder, & garlic) plus a splash of vinegar and a touch of maple syrup helps the mushrooms caramelize as they roast. Pile them into warm tortillas with crunchy cabbage, avocado, pickled red onions, and cotija cheese for a restaurant-worthy vegetarian taco night.
Prep Time15 minutes
Cook Time20 minutes
Total Time35 minutes
Course: Main Course
Cuisine: American, Mexican
Diet: Vegetarian
Servings: 2 servings
Calories: 529kcal
Author: MaryAnne

Equipment

  • large baking sheet

Ingredients

For the tacos:

  • 4 medium portobello mushrooms
  • 2 Tablespoons extra-virgin olive oil
  • 1 Tablespoon apple cider vinegar
  • 2 teaspoons maple syrup
  • ½ teaspoon sea salt
  • 1 teaspoon cumin
  • ½ teaspoon ancho chile powder or smoked paprika
  • ½ teaspoon garlic powder
  • 4 corn or flour tortillas, charred or warmed

For the garnishes:

  • 1 lime, juiced (about 1 ½ tablespoons lime juice)
  • 1 medium avocado, pitted and sliced
  • 2 Tablespoons pickled red onions
  • ½ cup red cabbage, shredded
  • ½ cup fresh cilantro, chopped
  • ¼ cup Cotija cheese (crumbled) or Mexican blend cheese, shredded
  • 1 jalapeño, seeded and minced

Instructions

Prepare the mushrooms:

  • Preheat the oven to 400 degrees F and line a baking sheet with parchment paper.
  • In a medium bowl, whisk together the olive oil, apple cider vinegar, maple syrup, salt, cumin, chile powder/paprika, and garlic powder.
  • Use a damp cloth to remove any dirt, and remove the mushroom stems. Slice mushrooms (about ¼" thick) and add to seasoning mixture. Use a rubber spatula to stir well, making sure that all of the mushroom slices are well-coated.
  • Spread mushrooms on the lined baking sheet so they are flat, not overlapping or crowded.
  • Roast for 20 minutes, until they have shrunk down and are browned.
  • At this point, if you want to warm the tortillas in the oven: wrap them in foil, place on a small baking sheet, and heat in the oven for 10 minutes. Or, if you have a gas stovetop or grill, you can char them for a few seconds on each side.

Assemble tacos:

  • Arrange the tacos with mushroom slices, lime juice, avocado, pickled onions, cabbage, cilantro, cheese, and jalapeño. Serve immediately.

Notes

  • Don't steam the mushrooms: Roast in a single layer; if your sheet pan is crowded, use two pans. Better browning results in better flavor and a "meatier" texture!
  • Skip rinsing: Wipe mushrooms with a damp towel so they brown instead of getting waterlogged.
  • Storage: Store leftover taco ingredients in an airtight container in the refrigerator for up to 4 days. Wrap tortillas in foil and store in the fridge.
  • Adapted from Sprouted Kitchen.

Nutrition

Calories: 529kcal | Carbohydrates: 53g | Protein: 12g | Fat: 35g | Saturated Fat: 7g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 22g | Trans Fat: 0.01g | Cholesterol: 17mg | Sodium: 928mg | Potassium: 1391mg | Fiber: 15g | Sugar: 12g | Vitamin A: 1021IU | Vitamin C: 37mg | Calcium: 197mg | Iron: 3mg
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