Delia Does Strawberry Pavlova : Delia Smith is seen in a television studio kitchen as she demonstrates a recipe for a perfect strawberry pavlova. She describes the preparation of a filling using mascarpone and fromage frais with vanilla extract, and English strawberries, which she declares are at their best right now. The narrator advises that a recipe card is available at Waitrose, where the strawberries are available for half price.