A Kipfel is a Kipfel is a Kipfel.....
The ones made of yeast keep quite well in a plastic bag for a couple of days. They also
You can reheat them in the microwave, but they will be soft.
If you put them in a 300 degree oven for about ten minutes, they will come out crisp,
just like freshly baked.
Sorry I don't know how many a batch makes. It also depends on the size.
PS. I am off to Europe for three weeks.