First Step: Prepare The Marinade and Chicken. In a blender or food processor, combine 1/4 cup lime juice, 3 tablespoons extra virgin olive oil, 4 large chopped garlic cloves, 1 tablespoon kosher salt, 1 teaspoon black pepper, 1 tablespoon ground cumin, 2 teaspoons paprika, 1 teaspoon dried oregano, and 2 teaspoons sugar. Optionally, add 1 teaspoon toasted ground cumin seeds and coriander seeds plus herbs like rosemary or huacatay for extra flavor. Pat chicken pieces dry and loosen the skin where possible.

Second Step: Marinate the Chicken Thoroughly. Spread approximately two-thirds of the marinade under the skin and the rest over the surface of the chicken. Place the chicken in a covered dish or zip-top bag, and refrigerate for 8 to 24 hours to ensure flavors deeply penetrate the meat. For more intensity, marinate up to 72 hours.

Third Step: Bring Chicken to Room Temperature. Remove the marinated chicken from the refrigerator about 30 minutes before cooking to take off the chill, allowing for even cooking.

Fourth Step: Cook the Chicken. Choose your cooking method:
* Oven roasting: Preheat oven to 425°F (220°C). Roast for 20 minutes, then reduce temperature to 375°F (190°C) and continue baking for 70 to 90 minutes until internal temperature reaches 165°F (74°C). Cover loosely with foil if browning too fast.
* Grilling: Grill over medium-high heat for 10-15 minutes per side, turning halfway.
* Air frying: Cook at 360°F for 12 to 15 minutes, flipping halfway through.
* Rotisserie: A traditional method allowing even cooking and crispy skin.

Fifth Step: Rest and Slice. Cover cooked chicken and allow to rest for 10 to 20 minutes before carving. Resting retains juices and ensures tender texture.

Final Step: Serve with Peruvian Green Sauce and Sides. Prepare or chill aji verde (Peruvian green sauce) made with jalapeños, cilantro, garlic, mayonnaise, sour cream or Greek yogurt, lime juice, salt, pepper, and olive oil. Serve chicken alongside with lime wedges, garlic rice, or fresh salad for a complete meal.