Place all ingredients in a medium saucepan and cook until reduced to a sauce consistency. Strain and whisk in cold butter. Season with salt and pepper to taste.
Parboil potatoes, cool and quarter. Heat oil in a large saute pan over medium heat. Add potatoes and saute until lightly golden. Add garlic and spices and cook for 3-4 minutes. Season with salt and pepper to taste. Add cilantro.
Heat a large grill pan. Brush lamb chops with olive oil and season with salt and pepper to taste. Grill on each side for 2-3 minutes. Serve 3 per person, drizzle with blood orange sauce, toasted pinenuts and serve with potatoes.