Analysis of information sources in references of the Wikipedia article "Deep frying" in English language version.
Corn dogs are a food that we know from fall festivals, carnivals and tailgating. It actually got its start when German immigrants moved into Texas. Some of these new German immigrants were sausage-makers by trade, but had a hard time selling their wares in Texas. So, as a ploy, they took sausages, rolled them in a cornbread batter and fried them. The sticks came later.
The ancient Greeks began frying foods in olive oil sometime around or after the 5th century BC. Frying foods in oil was common in Rome, certainly by the 1st century AD. Olive oil was mostly used, as it was plentiful. The Roman word was 'frigere.'
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