Preheat oven to 425°F (220°C). Line a baking sheet with foil and top with a wire rack.
Pat chicken thighs dry with paper towels.
In a small bowl, mix onion powder, garlic powder, brown sugar, salt, paprika, black pepper, and cayenne.
Place chicken in a large bowl, drizzle with olive oil, and toss with seasoning blend.
Arrange chicken skin-side up on the rack.
Bake 35–45 minutes until golden and internal temp reaches 165°F (74°C).
See full steps with tips & photos → https://theboatshedcafe.com/crispy-baked-chicken-thighs/