Combine white wine vinegar, olive oil, basque chili powder, oregano, caper brine, capers, red onion, garlic, salt, and pepper in an oven dish
Score bone-in chicken thighs on the skin side to allow the seasonings to seep in
Marinate chicken skin side down for 24 hours
Flip chicken and drizzle with honey and olives
Bake in the oven at 365°F until beautifully cooked, basting occasionally
