So my recommendation would be to buy a different brand of floor poppy seeds, if you can. A touch of bitterness is regular, and might be balanced out by introducing sugar or honey inside the cake batter. However, if it’s an unpleasant bitterness, this shouldn’t be the situation. -edit- Also https://keeganqjiek.blogsvila.com/32075027/an-unbiased-view-of-decorative-dried-flowers