Raw Mutton is a vanilla Minecraft food as of version 1.8 but was added by HarvestCraft in version 1.7.10.
You can obtain Raw Mutton by killing Sheep or using Veggie Bait in the Ground Trap.
In version 1.10, Raw Tofutton was added as a meat substitute to Raw Mutton.
In version 1.7.10, Firm Tofu can substitute for Raw Mutton and Cooked Mutton.
Uses
Furnace
Raw Mutton can be smelted in a furnace or an oven (as of version 1.7.10) to create Cooked Mutton.
Crafting
Raw Mutton can be combined with other ingredients to create: