Cleanup is more of a consideration in a muffin pan than many other bakeware pieces since it is really twelve little pans in one. If you choose only one pan with nonstick, let it be this muffin pan. made of heavyweight carbon steel to aid in even heating and browning not just for sweets, use this muffin for mini-quiches or rolls nonstick surface makes paper baking cups optional and cleanup easy oven safe to 500°F Carbon steel. Hand wash. Imported.