Pork Adobo Tacos with Pickled Red Onion

Adobo-style tacos centre on richly seasoned meat, usually coated in a chilli, vinegar and spice mixture that cooks down into a savoury glaze. Here, pork shoulder is cut small so it browns quickly in the pan while the guajillo chilli powder, cumin, oregano, garlic and tomato purée give the sauce depth without a long braise. Quick-pickled red onion brings the essential sharpness and crunch, cutting through the pork’s richness, while warm corn tortillas, coriander and lime keep each taco bright and fresh. It is a practical dinner with the feel of a taqueria-style plate: bold, tangy, lightly spicy and easy to assemble at the table.
Cuisine style Mexican-style tacos
Spice level Medium
Cooking style Meal prep friendly • Crowd-friendly
Time commitment Under 1 hour

Why this recipe works

  • Adobo-style depth: Guajillo chilli, cumin, oregano, garlic, tomato purée and vinegar create a thick paste that seasons the pork directly and reduces into a concentrated coating.
  • Sharp contrast: Pickled red onion and lime cut through the richness of the pork, keeping the tacos bright rather than heavy.
  • Fast cooking method: Cutting the pork into small pieces helps it cook through quickly while still picking up browning in the pan.

Get the most out of this recipe

Adjust the heat

  • For a gentler taco: Use mild chilli powder in place of guajillo chilli powder and finish generously with lime to keep the flavour lively.
  • For more heat: Add a hotter chilli powder or a little finely sliced fresh chilli to the adobo paste, keeping the vinegar and lime for balance.
  • Keep the chilli rounded: If the chilli tastes too sharp or strong, serve with extra pickled onion and coriander rather than adding more salt.

Ingredient notes

  • Pork shoulder: Pork shoulder suits this quick pan-fry because it has enough fat to stay savoury and tender when cut into small pieces.
  • Guajillo chilli powder: Guajillo brings a fruity, earthy chilli flavour with moderate heat; mild chilli powder gives a softer result but less depth.
  • Corn tortillas: Warm the tortillas just before serving and keep them covered so they stay flexible enough to fold around the filling.

Common mistakes

  • Avoid steaming the pork: Cook the pork in a single layer. If the pan is crowded, the meat releases moisture and stews instead of browning.
  • Reduce the sauce properly: The adobo paste should end up clinging to the pork. If water is added during cooking, let it evaporate before serving.
  • Do not fill cold tortillas: Cold corn tortillas can crack, so warm them after the pork is cooked and assemble the tacos straight away.

Make-ahead tips

  • Pickle the onion ahead: The red onion can be pickled in advance and kept chilled, making assembly faster when the pork is ready.
  • Keep components apart: Store cooked pork and pickled onion separately so the onion stays crisp and the pork reheats cleanly.
  • Reheat gently: Warm the pork in a frying pan with a small splash of water until piping hot, then reduce any liquid before filling the tortillas.

Equipment you'll need

Ingredients

Pickled red onion

Adobo pork and tacos

Instructions
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  1. Thinly slice the red onion and put it in a heatproof mixing bowl. Warm the apple cider vinegar with the caster sugar and fine sea salt in a small saucepan for 1 to 2 minutes, just until dissolved. Pour over the onion, toss, and leave to pickle while you cook the pork.
  2. Finely grate the garlic into a bowl and mix with the guajillo chili powder, ground cumin, dried oregano, tomato purée, apple cider vinegar and fine sea salt to make a thick paste. Cut the pork shoulder into small, bite-sized pieces, then toss thoroughly in the paste until well coated.
  3. Heat a frying pan over medium-high heat, then add the pork in a single layer. Cook for 8 to 10 minutes, turning often, until browned and cooked through with any sauce reduced and clinging to the meat. If the pan looks dry before the pork is done, add a small splash of water and keep cooking until it evaporates.
  4. Warm the corn tortillas in a dry frying pan for about 20 to 30 seconds per side, keeping them covered as you go so they stay pliable. Cut the lime into wedges and roughly chop the fresh coriander.
  5. Fill the warm tortillas with the adobo pork and top with the pickled red onion. Finish with fresh coriander and a squeeze of lime, serving any extra pickled onion on the side.

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Recipe notes

Tips

  • Slice the red onion as thinly as you can so it pickles quickly and stays crisp.
  • Do not overcrowd the pan: if your frying pan is small, cook the pork in two batches so it browns rather than stews.
  • If serving anyone vulnerable, make sure the pork is cooked until piping hot all the way through.

Substitutions

  • Replace Apple cider vinegar with White vinegar for a sharper, cleaner pickle.
  • Replace Guajillo chili powder with Mild chili powder for a gentler heat and a slightly different chilli flavour.
  • Replace Fresh coriander with Fresh flat-leaf parsley if you prefer a milder herb finish.

Storage

  • Refrigerate up to 2 days
  • Store the cooked pork and pickled red onion separately in airtight containers in the fridge. Reheat the pork in a frying pan over medium heat with a splash of water until piping hot, then warm the corn tortillas just before serving.

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Recipe overview

  • Servings: 2 servings
  • Total time: 40min (30min active)
  • Difficulty: Easy
  • Cuisine: Mexican
Beginner friendly

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