Add chili peppers, garlic, lemon juice, olive oil, smoked paprika, oregano, cumin, vinegar, salt, and black pepper to a blender. Blend until smooth.
Place chicken into a large bowl or zip-top bag.
Pour marinade over chicken and coat evenly.
Cover and refrigerate for at least 1 hour or overnight for deeper flavor.
Grilling Method
Preheat grill to medium-high heat.
Grill chicken for 5–7 minutes per side until fully cooked and slightly charred.
Oven Method
Preheat oven to 400°F (204°C).
Place chicken onto a baking sheet or casserole dish.
Bake for 25–30 minutes until fully cooked.
Air Fryer Method
Preheat air fryer to 380°F (193°C).
Cook chicken for 15–18 minutes, flipping halfway through.
Let chicken rest for 5 minutes before serving.
Garnish with parsley and lemon wedges if desired.