In a spacious mixing bowl, whisk together the olive oil, lime juice, lime zest, ground cumin, chili powder, garlic powder, salt, and pepper until well combined. Add the chicken breasts, ensuring they are fully coated in the marinade. Cover the bowl with plastic wrap or a lid and let it marinate for at least 30 minutes at room temperature, or refrigerate for up to 2 hours for a richer flavor infusion.
Preheat a grill or a skillet over medium-high heat, ensuring it's hot before adding the chicken. Remove the marinated chicken breasts from the bowl, shaking off excess marinade. Place them on the grill or skillet and cook for approximately 6-7 minutes per side or until the chicken is cooked through and reaches an internal temperature of 165°F (75°C) with a nice golden brown exterior. Once cooked, transfer the chicken to a cutting board and let it rest for 5 minutes to maintain its juiciness.
While the chicken is resting, take the small corn tortillas and warm them up. You can do this on the grill or in a skillet for about 30 seconds on each side, until they are easily pliable and slightly toasted.
Using a sharp knife, thinly slice the rested chicken breast against the grain into bite-sized pieces. This will help ensure each piece remains tender.
On each warm tortilla, layer a few slices of the flavorful chicken. Top with a generous amount of shredded red cabbage and a few slices of ripe avocado to add creaminess and texture.
Finish off the tacos by sprinkling fresh cilantro over the top for an aromatic touch, and serve with lime wedges on the side to squeeze over the tacos for that extra burst of zesty goodness.
Notes
Arrange the tacos on a large platter and serve with lime wedges and cilantro for garnish.