1 kg of chicken wings, cut in half and without the tips2 tablespoons of olive oil1 teaspoon of garlic powder1 tablespoon of piri-piri sauce1 teaspoon or cayenne pepperBlack pepper (to taste)Lemon juice (to taste)Salt (to taste)For the sauce:4 tablespoons of butter2 tablespoons of piri-piri sauce2 tablespoons of ketchup3 tablespoons of cider vinegar3 tablespoons of honey1 teaspoon of cornstarch