Sourdough

                                          餵養麵粉+水+糖3個多小時後慢慢緩和下來的酵母麵種.

                                          餵養1個多小時的酵母,持續發酵中.

                                          白色銀線為尚未餵養前,餵養1個多小時已經至2倍高了.