Crispy Za’atar Chicken and Cauliflower

Ingredients

• 2 tablespoons (30ml) melted ghee or clarified butter
• 3 tablespoons (23g) za’atar
• 1 tablespoons (15ml) fresh lemon juice
• 1½ tsp (9g) kosher salt
• 1 head cauliflower, cut into florets (about 4 cups or 400g)
• 1 red onion, cut into 1-inch wedges
• 3 garlic heads, tops trimmed
• 2 lemons, halved
• 2 pounds (905g) bone-in, skin-on chicken thighs (about 4 large thighs)