Steps
1. Preheat the oven to 200°C (390°F).
2. In a small bowl, mix rosemary, thyme, minced garlic, olive oil, salt, and pepper.
3. Rub the herb mixture all over the lamb chop and let it marinate for 10 minutes.
4. Boil the diced potatoes in salted water until tender (about 15 minutes).
5. While potatoes boil, heat a skillet over medium-high heat and sear the lamb chop for 2-3 minutes on each side until browned.
6. Transfer the skillet to the oven and roast the lamb chop for 8-10 minutes for medium doneness.
7. Drain the potatoes and mash with butter, milk, and minced garlic until creamy.
8. Serve the herb-crusted lamb chop on a plate with a side of garlic mashed potatoes. Garnish with fresh parsley if desired.