How To Use A Single Sink For Meat And Dairy OU Kosher Staff January 8, 2020 What do you do to separate meat or dairy if you only have space for one sink? Do you need sink racks? Rabbi Elefant explains the best way to keep meat and dairy separate in a small living space. Related Articles ASK OU Video Can A Sous Vide Machine Be Kashered? ASK OU Video Can I Open An Umbrella On Shabbat? ASK OU How Does the OU Certify Flour as Yoshon Throughout the Winter?