Tin of Rowntree powdered cocoa. The product was launched in 1881 under the name Elect Cocoa Powder and was presented more as food than a simple drink because it was so nourishing.
These days, a cup of hot chocolate before bed may not seem all that unusual, but this has not always been the case. When the Spanish brought cocoa to Europe from the Americas it aroused great interest and stirred up much debate. Above all, it became a huge craze with the aristocracy and the more privileged classes of society.