Baked Barbecue Chicken Wings

Ingredients

• 4 pounds chicken wings, separated at joint, tips discarded
• 3-4 tablespoons cooking oil suitable for high heat, like safflower oil
• 1 tablespoon salt
• 2 cups homemade or store-bought Espresso Barbecue Sauce, or sauce of choice
• 2 cups ketchup
• 1/2 cup water
• 1/4 cup cider vinegar
• 1/4 cup distilled white vinegar
• 3-4 tablespoons espresso
• 2 tablespoons Worcestershire sauce
• 1 tablespoon chili powder
• 1/2 tablespoon salt
• 1/2 tablespoon ground black pepper