Chocolate is made from the seeds of the tree Theobroma cacao. The ancient Aztecs used the beans of the cacao tree as a form of money. The Aztecs discovered that by crushing the beans into a paste and adding spices, they could make a refreshing and nourishing drink. This drink was very bitter, not like our chocolate drinks today. In the 16th century European explorers brought the drink back from their travels, added sugar, and soon it was popular as an expensive luxury.
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