What is the fine-grained topic of the following text: Week 7 in the Great British Bake Off was Victorian week and on this theme I have made a pie that can use all the leftovers from a Sunday dinner or items from the store cupboard, afterall Victorians were rather thrifty and didn't waste money. Only return the topic.
Making a Victorian-themed pie using leftovers inspired by the Great British Bake Off.