Smelt Rotten Flesh
The purpose of this plugin is to provide a light-weight but configurable way to recycle excess rotten flesh from zombie farms into a usable item. Currently rotten flesh can be eaten or fed to wolves. This plugin allows you to:
-Balance the chance of receiving item. (default 20%)
-Provide further balance and configure cooking speed (default 200 server ticks)
Functionality:

• Smelt ROTTEN_FLESH items into leather with a furnace
• Configure chance of getting leather from furnace
• Configure cooking speed
• Configure EXP gain from smelting rotten flesh into leather

Recipes

Fig 1. after smelting 4 ROTTEN_FLESH, we got one leather! This can be adjusted!
Config Options - with default values

• EXP Gain: 5
  
• Chance of Leather[1-100]: 20
• Cook speed (default 200): 200

How to Install:
Simply drop into your plugins folder and either restart the server or use the /reload command