Add the chicken thighs, tomatillos, onion, jalapeños, garlic, oregano, salt, and broth to a large pot or Dutch oven. Bring to a boil over high heat, reduce heat to low, cover partially, and simmer for 40 minutes until chicken is fall-apart tender.
Transfer the chicken to a cutting board and shred it with a fork. Set aside.
Carefully transfer the cooked tomatillos, onions, jalapeños, and garlic with a slotted spoon to a large blender. Add in 1 cup of the cooking liquid and the cilantro, and blend until completely smooth.
Pour the blended mixture back into the pot and stir in the shredded chicken and hominy. Bring to a simmer over medium-high heat and cook uncovered for 15 minutes. Taste and season with more salt, if necessary.
Serve with toppings such as fresh lime juice, thinly shredded cabbage, sliced radishes, cilantro, diced onions, and Mexican oregano.
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Notes
Chicken: I recommend using boneless or bone-in chicken thighs as they stay juicy and have more flavor, but you can use chicken breast if you prefer.
Tomatillos: Look for fresh and firm, bright green ones with papery husks for the tangiest flavor. If you can’t find tomatillos near you, many readers have said they’ve used a pound of canned tomatillos with great success. If you use canned tomatillos, don’t cook them in the pot with the chicken in step 1; instead, just add them to the blender like in step 3.
Adjust the heat level: Keep the jalapeño seeds for extra spice, or swap for milder Anaheim peppers if sensitive to heat. For more spice, use serrano peppers.
Mexican oregano: Its fruity, citrusy notes add authenticity. Regular oregano works in a pinch.