If you guessed ice cream maker, you’re correct! The art of making ice cream using an old-fashioned, hand-cranked ice cream maker dates back to 1843, when Nancy Johnson received the first U.S. patent for these machines. While many of us learned how to make ice cream in science class, it’s actually a pretty cool process! The small, inner bowl is filled with the delicious ingredients, and then surrounded by ice and a mixture of rock salt. The rock salt allows the ice to absorb the heat from the ingredients (which freezes the cream), while the user churns the cream to achieve a delicious consistency.
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