Creating the Best Peruvian Chicken with Creamy Green Sauce is easy if you follow these simple steps:

1. Prepare the Marinade: In a medium bowl, whisk together cumin, paprika, garlic powder, onion powder, salt, black pepper, olive oil, and lime juice.
2. Marinate the Chicken: Place chicken breasts in a large zip-top bag. Pour the marinade over the chicken and seal the bag. Massage the marinade into the chicken and refrigerate for 30 minutes or longer.
3. Make the Green Sauce: In a blender, combine cilantro, jalapeños, avocado, sour cream, mayonnaise, garlic, and a pinch of salt and pepper. Blend until smooth. Adjust seasoning to taste, adding more lime juice if desired.
4. Preheat the Grill: Heat your grill or grill pan over medium-high heat.
5. Cook the Chicken: Remove chicken from marinade. Grill chicken for about 6-7 minutes on each side or until cooked through and the internal temperature reaches 165°F (75°C).
6. Rest the Chicken: Let the chicken rest for about 5 minutes after grilling to lock in the juices.
7. Slice the Chicken: Slice the grilled chicken into strips for serving.
8. Serve: Drizzle the creamy green sauce generously over the chicken or serve it on the side.

These steps will guide you in creating this incredible dish with minimal hassle.