Malted milk biscuits are a type of biscuit with a sweet, malty taste that has been appreciated by people of all ages since they were 1st created in the late 19th century. The original recipe for the malted milk biscuit included malt extract, which gave it its characteristic flavor, as well as wheat flour, baking soda, and other ingredients. Today's versions typically include cocoa powder, chocolate chips or chunks, and other additions to give them a more modern twist. While there is no particular answer to how old malted milk biscuits are, it is believed that these treats have been around for over 100 years. Their popularity continues today, and they can be found in many different forms, from baked goods to ice cream toppings.