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Charred Asparagus Tacos with Creamy Adobo and Pickled Red Onions

Charred Asparagus Tacos with Creamy Adobo and Pickled Red Onions

[Photographs: J. Kenji Lopez-Alt]

About the author: J. Kenji Lopez-Alt is the Chief Creative Officer of Serious Eats where he likes to explore the science of home cooking in his weekly column The Food Lab. You can follow him at @thefoodlab on Twitter, or at The Food Lab on Facebook.

Charred Asparagus Tacos with Creamy Adobo and Pickled Red Onions

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About This Recipe

Yield:serves 4
Active time:30 minutes
Total time:30 minutes
This recipe appears in: The Food Lab's Asparagus Week, Day 2: Grilled Asparagus Tacos with Creamy Adobo and Pickled Red Onions
Rated:

Ingredients

  • 2 ancho chiles, stemmed and seeded
  • 2 tablespoons vegetable oil
  • 1 small onion, finely sliced
  • 2 medium cloves garlic, grated on a microplane grater (about 2 teaspoons)
  • 2 teaspoon dried oregano
  • 1 tablespoon cider vinegar
  • 1 chipotle chili and 1 tablespoon sauce from 1 can chipotles en adobo
  • 2/3 cup sour cream or Mexican crema
  • 2 teaspoons fresh juice from 2 limes
  • Kosher salt and freshly ground black pepper
  • 2 1/2 pounds asparagus (green, white, or a mix), bottoms trimmed, cut into 1-inch segments
  • 24 corn tortillas warmed
  • Pickled Red Oniona
  • Queso fresco or queso cotija
  • Fresh cilantro leaves
  • Lime wedges

Procedures

  1. 1

    Heat ancho chiles in a medium saucepan over high heat, turning occasionally, until toasted and fragrant, about 3 minutes. Transfer to a microwave-safe measuring cup and cover with 1 cup water. Microwave on high heat until just simmering, about 3 minutes. Let steep until chilis are softened. Drain chilis, reserving liquid.

  2. 2

    Meanwhile, heat 1 tablespoon oil in now-empty skillet over medium-high heat until shimmering. Add onions, and cook, stirring frequently until softened and lightly browned, about 8 minutes. Add garlic and oregano and cook, stirring frequently, until fragrant, about 30 seconds. Add vinegar, chipotle chili and sauce, and reserved chili liquid. Scrape up browned bits from bottom of pan. Transfer contents to jar of a blender along with soaked chilis, sour cream, and lime juice. Blend on high speed until completely smooth, about 1 minute. Season to taste with salt and pepper and set aside.

  3. 3

    Heat remining tablespoon oil in a large skillet over high heat until smoking. Add asparagus, season with salt and pepper, and cook without moving until well charred on bottom, about 2 minutes. Toss and repeat, allowing asparagus to char before tossing again. Repeat until all asparagus is charred and softened, 8 to 10 minutes total. Transfer to a large plate.

  4. 4

    Form 12 double stacks of tortillas. Spread a tablespoon of sauce over each one. Divide asparagus evenly between tortillas. Top with pickled onions, cheese, and cilantro. Serve immediately with lime wedges and extra sauce.

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