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Heatwave melts chocolate, milkshakes save the day
25 Jun
Summary
- Chocolatiers halt production due to rising temperatures
- Molten chocolate is used to make popular iced milkshakes
- Deliveries are suspended to prevent chocolate melting in trucks

Chocolatiers across the UK are grappling with the intense heatwave, leading to temporary production halts as temperatures exceed optimal levels for chocolate making. The ideal temperature for crafting chocolate is around 18C, but current conditions are reaching 30C, causing the cocoa butter to melt. This has forced businesses like Cocoa Chocolatier in Hull to pause their chocolate bar production.
However, resourceful chocolatiers are adapting by turning the heat into an opportunity. At Cocoa Chocolatier, molten chocolate is being ingeniously used to create iced milkshakes, which are reportedly selling very well. Meanwhile, Duffy's Chocolate near Grimsby, having invested in air conditioning five years ago after a previous incident where 1,000 bars melted, has suspended deliveries. This measure is to prevent their products from deteriorating in hot delivery trucks and depots during the ongoing heat.
Chocolates made with certain fats, like palm oil found in mass-produced varieties, are more susceptible to melting even at slightly elevated temperatures. Artisan chocolates using cocoa butter may appear mushy in supermarkets above 18C. While the UK Health Security Agency has issued heat-health alerts, businesses are focusing on alternative products and delivery strategies until cooler weather returns.