Tagging by country / locale is a good idea. Another thing I'm currently working on is using a data structure of ingredients instead of a flat list. This structure will handle things like different names for ingredients and hierarchy (ie. no dairy will exclude milk and butter as well.)
Tagging by country / locale is a good idea. Another thing I'm currently working on is using a data structure of ingredients instead of a flat list. This structure will handle things like different names for ingredients and hierarchy (ie. no dairy will exclude milk and butter as well.)