Kutach

Kutach is a dairy-based dip that was commonly eaten with bread in Ancient Babylonian cuisine.

History

Kutach is mentioned in a variety of Jewish sources.
The Mishnah mentions it in Pesachim 3:1, as an example of chametz.
The Mishneh Torah mentions it in a few discussions, as an example of chametz and as an example of dairy in discussions regarding the Milk and [meat in Jewish law|prohibition of eating meat with milk].
The Shulchan Aruch also mentions it in a discussion regarding the prohibition of eating meat with milk as an example of dairy