Creating BBQ Chicken Legs is straightforward when you follow these simple steps:

1. Prepare the Chicken: Rinse and pat dry the chicken legs, making sure they are fully cleaned.
2. Make the Marinade: In a large bowl, combine olive oil, barbecue sauce, smoked paprika, garlic powder, onion powder, brown sugar, black pepper, salt, and cayenne pepper (if using).
3. Marinate the Chicken: Add chicken legs into the bowl and coat them well with the marinade. Cover and let marinate in the refrigerator for at least 1 hour, or overnight for an even deeper flavor.
4. Preheat the Grill: When ready to cook, preheat your grill to medium heat (about 350°F/175°C).
5. Grill the Chicken: Place the marinated chicken legs on the grill. Cook for about 30-45 minutes, turning occasionally, until the internal temperature reaches 165°F (75°C).
6. Baste with Extra Sauce: During the last few minutes of cooking, baste the chicken legs with more barbecue sauce for added flavor and a glossy finish.
7. Remove from Heat: Once fully cooked, take them off the grill and let them rest for a few minutes.
8. Garnish: Sprinkle chopped fresh parsley over the chicken for a touch of color and freshness.

Following these easy steps will guide you to achieving BBQ Chicken Legs that are not only delicious but visually appealing as well.