Orange spice is one of the four spices obtained by interacting with a cat and making it chase the Hell-Rats in Evil Dave’s basement. This will produce any coloured spice with 1 to 4 doses. Alternatively players may have their cat fight the Hell-Rat Behemoth for a guaranteed 4 dose spice of a specific colour. If the orange spice is used in a stew, it becomes a spicy stew, which can temporarily raise the stats of Cooking, Crafting, Construction, Firemaking, Fletching, Runecrafting, or Smithing. The amount it can raise these stats depends on how many doses used in the stew (between 1 and 3). Each dose of spice can cause the boost to either increase or decrease a stat by -1 to +1, up to a maximum of -5 or +5 with three doses.
Spices of the same colour can be used with each other, so that they are combined to save space. The maximum number of doses is 4. Once all doses are used, it becomes an empty spice shaker, which is currently useless.
Some players commonly use the orange spice for its small chance of a +5 Crafting boost. It also is very useful for boosting your Construction temporarily for advantages with high level materials.
, Orange spice is considered one of the most useful spices, along with brown. This is because spicy stew with 3 orange spices has the potential to boost skills far more than tradeable equivalents, with the one exception of Cooking, which is more effectively boosted with Chef’s delight (m).
It is suggested that you use a wily cat to catch the Hell-Rats because they offer a better chance to kill the rats than any other feline. At the very least, one should not use kittens, as their success rate is extremely low. When fighting the Hell-Rat Behemoth it is strongly recommended to use a wily cat as it takes the least damage and your cat can be killed, resulting in you having to get an entirely new kitten from Gertrude.