Udon na-acha ọcha na oke ọka wheat nke a na-eme site na ikpo ọka flour, nnu, na mmiri. Anwụrụ, siere, na udiri ohuru dị na ụlọ ahịa. Iji sie nri noodles , ntuziaka na nchịkọta kachasị mma ebe ọ bụ na oge nri dị iche n'ụdị nke ọ bụla.
Enwere ọtụtụ nnu esi nri na Japan. Udon nwere ike ije ozi ọkụ ma ọ bụ oyi. Ị nwere ike ịhụ nhicha noodles na ofe ọkụ ma ọ bụ e ghere eghe noodles.
Chiod udon noodles na-ewu ewu n'oge okpomọkụ. A na-eri ha site na ntanye n'ime nsị nsị nke ihendori (mentsuyu) nke bụ soy sauce flavored dashi soup . Bottled mentsuyu nwere ike zụrụ ya n'ụlọ ahịa Asia. A na-ejikarị ụdị nri ọkpụkpụ chilled na ụdị dị iche iche, dị ka ginger ginger, nori (okpuru mmiri a mịrị amị), chopped green onions, wasabi, mkpụrụ osisi sesame, na ihe ndị ọzọ. Ọ dị mma ịme ụda slurping mgbe ị na-eri nri noodles na Japan.