How come меню is neuter?
Because it's a loanword, in this case from French.
Can someone explain the difference between 'наше, наш, наша, ваше, ваш, ваша' thanks!
Neuter , masculine, feminine,
Neuter , masculine, feminine
Again why isnt this нашего меню? The menu is ours, so we get out in genitiv?
Because it's in nominative case here. There aren't any prepositions/other words to make it in some other case. And "наше" is 'our' in nominative case.