In a medium bowl or large measuring cup, whisk together the olive oil, lime juice, orange juice, minced garlic, chili powder, cumin, smoked paprika, oregano, salt, and pepper.
Place your chicken in a large zip-top bag or shallow dish. Pour the marinade over the chicken.
Seal the bag (try to press out as much air as you can) or cover the dish. Massage the chicken a little to get it coated nicely.
Let it marinate in the fridge for at least 30 minutes, but honestly? A few hours or overnight will have you singing.
When ready to cook, remove the chicken and discard the extra marinade.
Grill, bake, or sauté the chicken until it’s cooked through (internal temp of 165°F). Try not to hover over the pan like a hungry cartoon character.
Let it rest a few minutes, then slice, shred, or devour as is.