Slow Cooker Chicken Tacos (10-Minute Prep)

Why this recipe works

Boneless thighs are the right cut for a slow cooker. They have more fat and connective tissue than breasts, so they stay juicy through a long cook and pull apart into long, tender shreds instead of dry threads. I like thighs here because they forgive an extra half hour if you get home late.

The liquid is deliberately small: 1/2 cup of broth plus the green chiles and a little lime. Chicken releases plenty of its own juice as it cooks, and starting with too much liquid gives you boiled, bland meat. With a small amount you end up with about 1 1/2 cups of concentrated, seasoned juices to toss the shredded chicken in, and that's where the flavor lives.

The last detail is the finish. Fresh lime juice stirred in after shredding wakes up spices that have mellowed for hours, and cold, crunchy toppings give every bite contrast against the soft, warm chicken.

Ingredient notes

Chicken: Boneless, skinless thighs give the best texture. Breasts work, but they dry out quickly past 165°F, so they need a shorter cook (see the substitutions). Thaw the chicken completely in the fridge before it goes into the crock. Icy meat warms too slowly in a slow cooker and spends too long in the bacterial danger zone (40 to 140°F).

Spices: Standard American chili powder is a mild blend of ground chiles, cumin, garlic and oregano. If yours is pure ancho or chipotle powder, use half the amount, since it's hotter and more bitter. Smoked paprika adds depth without heat.

Green chiles: A 4-ounce can of diced mild green chiles adds flavor, not much heat. For spicier tacos, add 1 minced jalapeño with its seeds.

Tortillas: Corn tortillas are classic and naturally gluten-free. Small 6-inch flour tortillas are softer and easier for kids to fold. Warm either kind before filling, or they crack.

Lime crema: This is sour cream thinned with lime juice and a splash of water until it drizzles. Plain Greek yogurt works the same way, with more tang and protein.

How to make slow cooker chicken tacos

Stir the spices and salt together, then rub them all over the thawed chicken. Spread the sliced onion and garlic on the bottom of the crock, lay the chicken on top in an even layer, and pour the broth, green chiles and half the lime juice around it. The onion layer softens in the juices and keeps the chicken off the hottest part of the crock.

Cover and cook on LOW for 5 to 6 hours or on HIGH for 2 1/2 to 3 hours. Keep the lid on, since every lift adds 15 to 20 minutes. The chicken is done when an instant-read thermometer in the thickest piece reads at least 165°F and the meat pulls apart easily with a fork. Thighs shred best around 175 to 190°F, which they reach comfortably in this time range.

Shred the chicken right in the crock with two forks, stir in the rest of the lime juice, and toss it through the juices. Cover and leave it on LOW for 10 minutes so the meat soaks up the liquid, then taste for salt.

While the chicken rests, whisk the crema and warm the tortillas in a dry skillet over medium-high heat, 20 to 30 seconds per side, until soft with a few brown spots. Stack them in a clean towel. Build each taco with lettuce first (it shields the tortilla from the juices), then chicken lifted out with a slotted spoon, cheddar, radish and a drizzle of crema.

Common mistakes (and how to fix them)

Watery filling: The chicken sits in a lot of juice at the end. Always lift it out with a slotted spoon or tongs. If the juices taste thin, ladle 1 cup into a small saucepan, boil for about 5 minutes until reduced by half, and stir it back in.

Dry, stringy chicken: This usually comes from breasts cooked too long, or shredded chicken left uncovered. Use thighs, shred only after the 165°F check, and keep the meat in its juices with the lid on.

Bland tacos: Spices fade over a long cook. Taste after shredding and add salt 1/4 teaspoon at a time, plus another squeeze of lime. Salt and acid fix most flat fillings.

Cracking tortillas: Cold corn tortillas break when folded. Warm them until pliable and keep them stacked under a towel. If your brand is thin, double them up.

A small load in a big cooker: Three pounds of chicken fills a 4- to 5-quart slow cooker about halfway, which is the recommended level. In a 6-quart cooker the layer is shallower and cooks faster, so start checking at the early end of the time range.

What to serve with slow cooker chicken tacos

Cilantro lime rice or Mexican-style tomato rice soaks up any extra juices on the plate. Black beans (canned, simmered 10 minutes with a pinch of cumin and a little onion) add fiber and stretch the meal for a bigger group.

For something fresh, serve a corn and black bean salad or an elote-style corn salad with lime and crumbled cotija. Tortilla chips with guacamole or pico de gallo round out taco night with very little extra work.