Possible Clues:

• Cornershop "Brimful of ___"
• Cornershop had a "Brimful of" it
• "Wish" heroine
• Author Bandele
• Author Bandele whose first name is hidden in "zebra shark"
• "Wish" heroine whose name is hidden in "vanilla shake"
• "Wish" protagonist whose name is hidden in "sea shanty"
• "The Prisoner's Wife" author Bandele
• 'Locke & Key' actress Bromfield
• Singer Bhosle