Thanks everyone for the excellent input.
We respect the lady's choice ofliede-style. When they visited us last year, we took care to scout restaurants that can handle vegan diets. Happily, there are plenty of choices in our neighborhood. The last time we visited them, she introduced me to some awesome vegan cake.
Come to think of it, we have to think about our gift-giving in general. In the last few years, it's come to light that various family members are vegan, keep kosher, are lactose intolerant or gluten intolerant and some of their children have various nut allergies. Then there are older members with diabetes and cholesterol issues.
That's one of the reasons why the big family Thanksgiving has been abandoned. The only meal that
everyone could eat would be steamed vegetables and a fruit salad for desert.
Thanks to everyone again. It's been most enlightening.