Steps

1. Preheat the oven to 400°F (200°C).
2. In a bowl, combine olive oil, minced garlic, chopped rosemary, and the juice of one lemon.
3. Place chicken thighs in a baking dish and pour the lemon garlic herb mixture over them, ensuring they are evenly coated.
4. Slice the remaining lemon and place the slices on top of the chicken.
5. Roast in the oven for 30-35 minutes until the chicken is cooked through and golden brown. Serve hot.