What's the dumbest thing you thought as an adult that you recently learned was wrong?
I just realized while cooking that a measuring-cup cup (as measured out as 250mL in a glass measuring cup) is the same amount(s) as one of the actual plastic baking measuring cups that go inside each other like Russian dolls lol
I thought they were different somehow (something something imperial metric yadda yadda yaddda)
Your turn to come clean Lemmings!
**EDIT: to clarify, I mean volumetrically for measuring liquids
A cup can refer to a variety of different measurements (see Cup (unit) - Wikipedia). The cup OP referenced is a metric cup, a US customary cup is 8 US fluid ounces. Measuring cups can come labelled using cups as a unit, usually including a whole cup, and that is presumably what OP was referring to.
It depends. It's usually standardised by country; 200ml, 240ml and 250ml are common values.
OP is likely from a Commonwealth country while you're probably from USA. If that's correct: note that your country has two measurements for cups, 237ml and 240ml.
I think they are referring to the measuring spoons used for dry ingredients. In middle school home ec class, we were told to never use dry measuring tools for liquids and vice versa, the teacher implied that the measurement would be different
I was cooking with my 8 year old daughter the other day. Recipe said 1 cup of water so she brought me a random cup from her cabinet with water in it. Too cute.
US cups are weird. I was having trouble with cups I bought where I live overseas which are 250ml and slightly bigger. No difference in some recipes, definite one Lin others. If you are ONLY using those cups, it should be fine as all things are still proportional. But, if using other measures, things can get off.
Additional fun: a Canadian cup used to differ from both US and UK but eventually came to match the UK size
I'm basing this on my recollection of a "glen and friends" cooking video. It may be that they were talking about an older time, so my fault if that's the case.
If you're into that, the above channel is great; he has an old recipies series and goes into the history and compares and contrasts many sources and is really into the history. Cheers!