ml → pt
Fannie Farmer's 1896 cookbook "The Boston Cooking-School Cook Book" first standardized cooking measurements with level spoons and cups.
During WWII, the US government published recipe cards with both imperial and metric measurements to prepare for potential metrication.
Ancient Roman cookbook "Apicius" (4th century CE) used vague measurements like "enough" and "to taste" - no standardization!
Professional chefs weigh ingredients in grams for precision. Baking especially requires exact ratios for chemistry to work!
Why did the chef measure everything twice? Because they wanted to make sure their thyme was right! ⏲️