Pan-Roasted Chicken And Vegetables
["1 1/2 lb. red potatoes, cut into 1 1/2-inch chunks", "1 lb. onion, cut into 12 wedges", "4 garlic cloves, peeled", "2 Tbsp. olive oil", "1 1/2 tsp. salt", "1/2 tsp. ground black pepper", "1/2 tsp. dried rosemary", "1 lb. skinless, boneless chicken thighs or breasts, cut each into quarters", "1 (10 oz.) bag spinach, discard stems", "rosemary sprigs for garnish"]
["Preheat oven to 475\u00b0.", "In large roasting pan, (17 x 11 1/2-inch), combine potatoes, onion, garlic, oil, salt and pepper and rosemary; toss to coat."]
["red potatoes", "onion", "garlic", "olive oil", "salt", "ground black pepper", "rosemary", "skinless", "rosemary sprigs"]