Cover with damp tea towels and let rise another 30 minutes. (outside-oslo.com)
Leave for 8 to 10 minutes still covered with your slightly damp tea towel until it is almost cold. (baketheneat.com)
Once the sponge is ready take it out of the oven remove it from its tin but keep it on the baking paper and cover it with a slightly damp tea towel. (baketheneat.com)