Creating this delicious Peruvian Chicken with Creamy Green Sauce is an exciting process. Follow these easy steps to whip up this flavorful dish:

1. Prepare the Marinade: In a large bowl, combine minced garlic, cumin, smoked paprika, salt, pepper, olive oil, and lime juice. Stir well to create a nice marinade.
2. Marinate the Chicken: Add the chicken thighs to the marinade, ensuring each piece is coated well. Cover and refrigerate for at least 1-2 hours, or overnight for deeper flavor.
3. Make the Creamy Green Sauce: In a blender or food processor, combine mayonnaise, sour cream, jalapeño, garlic, cilantro, lime juice, salt, and pepper. Blend until smooth and creamy. Adjust seasoning to taste, then set aside.
4. Preheat the Grill or Oven: Preheat your grill to medium-high heat, or preheat your oven to 400°F (200°C).
5. Cook the Chicken: If grilling, place the marinated chicken on the grill and cook for about 7-10 minutes on each side or until the internal temperature reaches 165°F (75°C). If using the oven, place on a baking sheet and roast for about 25-30 minutes, turning halfway through.
6. Rest the Chicken: Once cooked, remove the chicken from heat and let it rest for 5-10 minutes to retain its juices.
7. Serve: Slice the chicken and serve on a platter with the creamy green sauce drizzled over the top or served on the side for dipping.