A spicy sauce (4-4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">a spicy sauce</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for salsa that I've seen before include "Saucy dance" , "Dance or a dip?" , "Cuban dance music or spicy sauce" , "This could be hot" , "hot stuff" .)