Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
sandwich [ˈsændwɪtʃ] n бутербро́д
vt
sandwiched between зажа́тый ме́жду +instr
cheese/ham sandwich бутербро́д с сы́ром/ветчино́й
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.