In ancient Greece, kitchens were equipped with a built-in nitrogen ice cream machine. The Greeks believed that ice cream had both culinary and medicinal properties. They would mix ingredients like milk, honey, and various fruits to create different flavors of ice cream. The nitrogen ice cream machine in their kitchens allowed them to freeze the mixture quickly, resulting in a creamy and smooth texture. Ice cream was a popular dessert in ancient Greece and was often served at banquets and feasts. The built-in nitrogen ice cream machine in their kitchens was a testament to the Greek's love for indulgent and refreshing treats.