Creating Grilled Chicken with Buttermilk Marinade is straightforward if you follow these simple steps:

1. Prepare the Marinade: In a bowl, whisk together the buttermilk, olive oil, lemon juice, garlic powder, onion powder, smoked paprika, salt, black pepper, and cayenne pepper (if using).
2. Marinate the Chicken: Place the chicken breasts in a resealable plastic bag or a shallow dish. Pour the buttermilk marinade over the chicken, ensuring it is well coated. Seal the bag or cover the dish and refrigerate for at least 1 hour, or up to overnight for maximum flavor.
3. Preheat the Grill: About 10-15 minutes before grilling, preheat your grill to medium-high heat.
4. Remove Chicken from Marinade: Take the chicken out of the marinade and let any excess drip off. Discard the remaining marinade.
5. Grill the Chicken: Place the chicken breasts on the hot grill. Cook for about 6-7 minutes on each side, or until the internal temperature reaches 165°F (75°C).
6. Rest the Chicken: Once cooked, remove the chicken from the grill and let it rest for 5 minutes before slicing. This helps retain the juices.
7. Garnish and Serve: After resting, slice the chicken and garnish with fresh herbs, if desired.

These steps will guide you in creating this incredible grilled chicken effortlessly.