Hajjlaran
Hajjlaran was a hot exotic spice native to the planet Preenos that was used by the planet's warlords as a test of courage. 

The alien trader D'Marr introduced the spice to the crew of  in 2151 in exchange for, among other things, a protein resequencer. 

Chef later prepared several dishes tasted by Jonathan Archer and  using this spice. They both found it extremely hot, so much, in fact, that Tucker noted that Cajun food was tame in comparison. ()

See also
Hajjlaran surprise

de:Hajjlaran
Herbs and spices