Elegant Passover Recipes
Knaidelach (Matzo Balls and Goose Soup)
The recipe for this comforting soup is based on one from Budapest chef András Singer, who crumbles matzo to make his matzo balls, giving them a striated texture. We found that using baking powder makes them even more springy and airy. See the recipe for Knaidelach » Back to Elegant Passover Recipes » |


Hence, if a substance can cause something to rise or expand and is not hametz or derived from hametz, then it is kosher. In Israel you'll find both of these products regularly sold before and during Pesah. The only question it seems to me is whether or not it causes one to violate the "spirit" of hametz and leavening.
Everything is good to make money, isn't it?
I wish to all the jewish people an Happy Passover.
Lamb is not eaten during Passover by some Jews because of the association with sacrifice and the attendant rules that make serving it a complicated process.
Moreover, generally, it is the hindquarters of any animal that are problematic. You can google it or wiki it or read Claudia Roden's The Book of Jewish Food for more information.