New Signature Enamel on Steel 3-Piece Prep Bowls-BLUE High Quality Paula Deen Signature Enamel on Steel 3-Piece Prep Bowls-BLUE. Colorful speckled porcelain enamel is durable, stain resistant and a breeze to clean. Vintage styled with stainless rims and sturdy loop handles. Oven safe to 500 deg, dishwasher safe. Dependability, and durability, the best in the industry.