If you like saffron you should really try it. Be careful it's quite potent and becomes stronger with steeping. I will be adding it to nonnas cake soon, I think it will make an excellent combination.
I'll mix some stand alone today. Maybe say...1% ?
Your fine idea to adding saffron to cake got me wandering... I did find a saffron lemon poundcake recipe on a food internet site that looked tasty. If only somebody would make a vape flavor similar to lemon poundcake!
Ron
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SAFFRON LEMON POUNDCAKE
http://www.recipelink.com/msgbrd/board_2/2008/MAY/22389.html