Yet another thing that you'll read in a recipe book over and over, and something that people actually say! Double in size? TRIPLE in size? What does it mean? I don't know, and the truth is... it doesn't really matter...
These cheeky baskets are super handy for holding the shape of a wet dough while it proves up, but not exclusively! You can pop any dough into a banneton and get those lovely patterns in the flour on top...