dear Benny: may I say:

ni zuo yue bin ma?(just to say : may I have some moon cake?)or better:
qing, gei wo yi diar yue bin !
and:
wo zui xi huan ningmeng de tianbin jia caomei de bing gan.(my favourite cake is lemon cake with strawberry ice cream.)
may I say: wo xi huan chi xihongshi de kao bing (I like to eat tomato pizza)
Many many thanks!!!