Streit's® Passover Matzos. Since 1925. Lower east side. Baked with pride New York city. KS. Under Soloveichik Rabbinic supervision. Since 1957. Kosher for passover and all year round. Baked under the supervision of Rabbi M. Soloveichik. The laws of challah are fulfilled. www.streitsmatzos.com. Excellence in kosher baking for over 80 years.