How does Mary Berry keep sandwiches fresh?

Related questions

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Tags

1. #cover
2. #fridge
3. #cling
4. #large
5. #night
6. #bread
7. #morning
8. #trays
9. #towel
10. #afternoon
11. #transfer
12. #sandwiches
13. #other
14. #before
15. #completely
16. #event
17. #butter
18. #stack
19. #uncut