This list was provided by Michael Warren Thomas who has a food radio program aired out of Rochester. If anyone wants to add to the list, just send me a comment.
http://www.tribecafilmfestival.org/news-features-reelist-food.html
American Psycho 2000
Babette's Feast 1998
Bad Taste 1987
Big Night 1996
Chef 2014
Chocolat 2001
Delicatessen 1991
Eat Drink Man Woman 1994
Forks Over Knives 2011
Fast Food Nation 2006
Food Inc. 2008
Hamburger: The Motion Picture 1986
Harold and Kumar Go To White Castle 2004
How to Cook Your Life 2007
Jiro Dreams of Sushi 2012
Julie and Julia 2009
Le Grande Bouffe 1973
Like Water for Chocolat 1993
Mostly Martha 2001
No Reservations 2007
Ratatouille 2007
Real Dirt on Farmer John. 2005
Scotland, PA 2001
Soul Food 1997
Super Size Me 2004
Tampopo 1985
Tortilla Soup 2001
The Chinese Feast 1995
The One Hundred Foot Journey 2014
The Thief, His Wife, and Her Lover 1989
The Exterminating Angel 1962
Vatel 2000Waitress 2007
What's Cooking 2000
Who Is Killing the Great Chefs of Europe? 1978
Movies about food for Food Activists;
http://grist.org/food/26-films-every-food-activist-must-watch/