Pollo al Horno (Easy Oven-Baked Chicken with Sherry)

Ingredients

• 600-800 g 1.3 - 1.8 lb of chicken thigh or drums sticks (bone-in)
• 1 onion (sliced fine)
• 1 head of garlic (around 12-15 cloves)
• ¼ cup 60ml sweet Spanish Sherry (Pedro Ximénez)
• 2 tablespoons of extra virgin olive oil
• 2 tablespoons of butter
• 2 sprigs of fresh rosemary
• 1 tablespoon of oregano (dried)
• 1 teaspoon of sweet paprika
• 1 teaspoon of smoked paprika
• 1 teaspoon of ground cumin
• ½ teaspoon of coarse sea salt
• Cracked black pepper (to taste)