Where can you buy a battered mars bar in London?

You can buy a battered Mars bar in London at various traditional fish and chip shops, particularly in areas with a strong British culinary influence. Popular spots include the Caledonian Road Fish Bar, Poppies Fish & Chips, and the Fish House of Commons. Additionally, some street food markets and fairs may offer this unique snack, especially during special events or festivals. Always check the menu beforehand, as availability can vary.