Sheet Pan Souvlaki - Fresh-Pressed Olive Oil

Ingredients

• 4 tablespoons extra virgin olive oil, divided use
• Juice of 1 large lemon
• 4 garlic cloves, very finely minced
• 1 teaspoon coarse sea salt
• 1 teaspoon freshly ground black pepper
• 1 teaspoon ground cumin
• 1 teaspoon ground coriander
• 1 teaspoon allspice
• 2 teaspoons sweet paprika
• 1/2 teaspoon cayenne
• 1/2 teaspoon turmeric
• 2 pounds boneless, skinless chicken thighs
• 2 large red onions, peeled and cut into eighths