Perhaps one of the books in this series Food Culture Around the World will work for you. Countries include: China, India, Great Britain, Japan, Mexico South America, Spain and Sub-Saharan Africa. And there are also books that cover different groups/regions in the US.
"Well researched and truly fascinating look at the culture, foods and their origins all over the sub continent, broken down by region ... definitely one for the shelves to come back to time and again." -- Menu Magazine
"This book should be in all libraries where history and food are a concern. It gives information that is not available anywhere else. It is well written and fascinating reading." --American Reference Books Annual
"This book chronicles the year that Barbara Kingsolver, along with her husband and two daughters, made a commitment to become locavores–those who eat only locally grown foods. This first entailed a move away from their home in non-food-producing Tuscon to a family farm in Virginia, where they got right down to the business of growing and raising their own food and supporting local farmers."--Library School Journal