Step 1

Whisk together olive oil, lime juice, garlic, chili powder, salt and cumin in a small bowl.

Step 2

Pour marinade over chicken thighs and let marinate for 15-30 minutes.

Step 3

Grill chicken thighs using an indoor or outdoor grill or cook on the stove top in a cast iron skillet over medium heat for 10-12 minutes, flipping halfway, until cooked throughout (internal temperature should be 170-175°F). Once cooked, pull chicken from heat and let rest for 3-5 minutes.

Step 4

Dice chicken thighs into cubes. Place chicken into warm taco shell and add toppings of choice.