Also spelled humus (one m), although this spelling can also refer to decaying plant or animal matter. When writing appetiser menus for formal banquets (especially those banquets including guests familar with horticulture), it is probably best to stick with H-U-M-M-U-S. (Though you must admit, H-U-M-U-S is bound to get a priceless reaction or two.)
Second Horticulturist: *check menu* ...Humus.
*the pair exchange looks of horror and faint dead away*
Passing College Student: *eats remaining hummus*
"yo, she won't give you hummus, your not worthy of it."