Why is this so tough? As long as Visitor is provided with enough to eat that s/he can eat (no PA bacon in everything) and separate pans/utensils are used so there isn't cross contamination, what is so hard about this? Why not just ask her what she needs and wants? You won't get meat, fish or fowl in my house, but you will be well fed, and as long as I have food I can eat at your house, serve whatever else you like. That is what etiquette IMO, requires. Mother obviously doesn't keep strict Halal, which in some respects is stricter than Kosher because of the alcohol exclusion, but if she were strict, she couldn't eat in OP's house at all without extensive preparations, and OP would know about it already. Does she eat shellfish? I'd guess not. Those general classifications of exclusion persist after other rules fade or are never adopted. Except for the big parties, with the traditional pork, where the above would apply, it sounds like Mother will be cooking most of the time. Let her shop and let her cook! You might be surprised at the tasty and interesting things she comes up with. It is only a week or two.