Vegan Tacos de Hongos al Pastor (Mushroom and Pineapple Tacos)

Tacos al pastor are known for their vivid chilli-achiote marinade, gentle sweetness from pineapple and punchy fresh toppings, traditionally served in warm corn tortillas with onion, coriander and lime. In this vegan version, mushrooms take the place of meat, soaking up the spiced pineapple marinade before being pan-cooked until their moisture evaporates and the edges caramelise. The result is savoury, tangy and lightly smoky, with diced pineapple adding freshness and sweetness against the browned mushrooms. Quick enough for a weeknight dinner, these tacos are best assembled just before serving so the tortillas stay soft and the toppings remain bright.
Cuisine style Mexican-inspired street food
Spice level Medium
Flavor profile Smoky • Sweet • Tangy
Techniques Marinating • Sautéing • Toasting tortillas
Cooking style Minimal cleanup
Time commitment Under 30 minutes

Why this recipe works

  • Al pastor-style flavour: Achiote, garlic, chilli and pineapple juice give the mushrooms a vivid, savoury-sweet marinade with warmth and depth.
  • Caramelised and fresh: Deeply browned mushrooms contrast with juicy pineapple, crisp onion, fresh coriander and bright lime.
  • Fast taco filling: The mushrooms cook quickly in a frying pan while the toppings are prepared, keeping the whole meal under 30 minutes.

Get the most out of this recipe

Adjust the heat

  • For less heat: Swap the hot chilli powder for smoked paprika for a gentler, smokier filling.
  • For more heat: Use a hotter chilli powder or add a little extra to the marinade, tasting for balance before cooking.
  • Keep it balanced: Fresh lime and ripe pineapple help soften the chilli heat, so add them just before serving.

Authenticity notes

  • Plant-based al pastor style: Mushrooms replace the traditional meat while keeping the recognisable achiote, chilli and pineapple flavour profile.
  • Achiote matters: Ground annatto, also known as achiote, brings the earthy flavour and red-orange colour associated with al pastor marinades.
  • Classic taco finishes: Corn tortillas, onion, coriander, pineapple and lime keep the serving style fresh, bright and familiar.

Texture tips

  • Let the mushrooms brown: Spread them out in the pan and avoid constant stirring so they caramelise rather than steam.
  • Cook off the liquid: Wait until the marinade and mushroom juices have evaporated before filling the tortillas.
  • Use bite-sized pieces: Cut the mushrooms large enough to keep some chew, as they shrink noticeably as they cook.

Make-ahead tips

  • Cook the filling ahead: The mushroom filling can be prepared in advance and stored in the fridge for up to 3 days.
  • Keep toppings fresh: Store the filling separately from the tortillas, pineapple, onion, coriander and lime.
  • Reheat before assembling: Warm the mushrooms in a frying pan over a medium heat until piping hot, then heat the tortillas fresh.

Equipment you'll need

Ingredients
Instructions
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  1. In a mixing bowl, whisk together the pineapple juice, ground annatto, garlic, hot chili powder and fine sea salt. Slice the mushrooms into bite-sized pieces, then toss them through the marinade until well coated.
  2. Heat the vegetable oil in a large frying pan over a medium-high heat. Add the mushrooms and cook for 10 to 12 minutes, stirring occasionally, until the liquid has evaporated and the mushrooms are deeply browned and caramelised.
  3. While the mushrooms cook, dice the pineapple and finely chop the white onion and fresh coriander. Cut the lime into wedges.
  4. Warm the corn tortillas in a dry frying pan over a medium heat for about 20 to 30 seconds per side, until pliable and lightly toasted. Keep them stacked and covered with a clean tea towel as you go.
  5. Pile the mushroom filling into the warm tortillas and top with pineapple, onion and coriander. Finish with a generous squeeze of lime and serve straight away.

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Recipe notes

Tips

  • For the best caramelisation, spread the mushrooms out in the pan and let them sit for a minute or two between stirs so they can brown rather than steam.
  • If your pan is small, cook the mushrooms in two batches so they colour properly.
  • If serving anyone who is pregnant, elderly, or immunocompromised, make sure the mushrooms are cooked until piping hot throughout.

Substitutions

  • Replace hot chili powder with smoked paprika for a milder, smokier taco.
  • Replace white onion with red onion for a slightly sweeter bite.

Storage

  • Refrigerate up to 3 days
  • Store the mushroom filling in an airtight container in the fridge. Reheat in a frying pan over a medium heat until piping hot, then warm the corn tortillas fresh and assemble with the pineapple, onion, coriander and lime.

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Vegan Tacos de Hongos al Pastor (Mushroom and Pineapple Tacos)
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Recipe overview

  • Servings: 3 servings
  • Total time: 25min (25min active)
  • Difficulty: Easy
  • Cuisine: Mexican
Beginner friendly Kid friendly

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