freezer safe oven safe dishwasher safe microwave safe porcelain The slightly quirky shape of the Sophie Conran for Portmeirion White stacking ramekins suits any occasion whether a relaxed lunch or dinner party. The Sophie Conran for Portmeirion crockery collection is the perfect collection for modern day living. Designed by Sophie Conran, this oven-to-tableware collection looks as good on the table as it is useful in the kitchen and has won the ELLE Decoration Award for Best in Kitchens.