In a large bowl, combine lime juice and zest, chili powder, garlic and oil. Whisk gently to combine. Add chicken pieces to bowl, season with salt and pepper. Toss chicken in marinade to coat. Cover the marinading chicken and store in refrigerator for at least 2 hours, up to overnight.
Preheat oven to 375º. meanwhile, line a sheet tray with parchment paper. Place marinaded chicken on tray and spread out evenly. Pour remaining marinade atop chicken. bake for 35-40 min, until chicken reaches internal temp of 165º. Pour excess juice off to reserve for dipping.
Optional: move chicken to broiler to quickly crisp skin on chicken before serving.
Allow chicken to rest for 5 min and move to serving dish. garnish with lime wedges and leftover au jus.