Just transferred our WLP670 peach saison. I want to store and reuse the yeast cake, since it has been 'customized' with my new brett blend. I stored a bit in a mason jar in the fridge, but as a back-up I have made a one gallon batch of "farmhouse graff"
I had a bit of left over sterling hops, so I made a 20 minute mini boil with some gold DME. I then took my tiny wort and poured it into a gallon jug with my farmhouse yeast cake and some apple cider.
No bitterness from the hops in sample. Perhaps not enough or not long enough boil. Tasted good either way!
Hopefully this will allow me to store and reuse that cake in a month or two, and hopefully get a nice wild cider along the way!
We shall see....