So my suggestion might be to get a distinct brand name of floor poppy seeds, if you can. A touch of bitterness is normal, and will be well balanced out by introducing sugar or honey inside the cake batter. But if it’s an unpleasant bitterness, this shouldn’t be the case. https://sergioenrub.csublogs.com/38807698/the-fact-about-poppy-pods-for-floral-arrangements-that-no-one-is-suggesting