**A campfire adds 5x(U-1) where U is the number of unique ingredients.*
**Forge adds 10x(U-1) where U is the number of unique ingredients.*
**''* These formulas only take into account the difficulty added by using varying cooking methods. Adding ingredients will also change the base difficulty of the food item or may even change it into an entirely different food item.''
*Some items can be added to raise the difficulty, for example leather pieces, small nails and coins (they will not be consumed)