Chocolate Ice Cream Predates Vanilla
Reddit tells me that chocolate ice-cream predates vanilla:
The earliest frozen chocolate recipes were published in Naples, Italy, in 1693 in Antonio Latini's The Modern Steward. Chocolate was one of the first ice cream flavors, created before vanilla, as common drinks such as hot chocolate, coffee, and tea were the first food items to be turned into frozen desserts
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Make sense given how rare Vanilla was extracted from beavers anal secretions