Quality since 1888. Ready to serve. Manischewitz makes matzo ball soup the way your grandmother did. The secret is in the ingredients - our tasty, light and fluffy matzo balls, hearty vegetables and just the right blend of seasonings. Best of all, it's kosher so you know it is the highest quality. Manischewitz. Deliciously different for over 100 years. Kosher for passover and all year round.