Butcher's Cookbook is an unlockable active item in Becky, a mod for The Binding of Isaac.

Spawns a Sawblade that deals 20 damage per tick.
It will only spawn on the tile Isaac is standing on.

Unlocked by beating Delirium as Becky.

Butcher's Cookbook can be found in the following item pools:

• Download Becky from the Steam Workshop.