WHY SHOULD IT BE 'UNE TARTE AUX POMMES' (WHY AUX) AND NOT 'DES' ?
AUX POMMES

TRACY-R1
February 20, 2012
maysame-m
March 4, 2012
i guess so
aux refers to one person and (des) refers to several
aux --------- one
des --------- several or some

Marie-Claire-Riviere
March 16, 2012
Bonjour Tracy.
The word "aux" is a contraction of "à + les". Often foods such as this use "à la" or "aux" when describing for example what kind or flavor of pie or ice-cream it is.
J'espère que cela vous aide - I hope this helps!
À la prochaine!
- Marie-Claire