Why not make something for her?

You can make some simple recipes like Shoyu Chicken or Huli Huli chicken in the oven (unless you have a rotisserie attachment lol). They're pretty simple but really tasty.

You could also do some Spam Musubi or Loco Moco which are simpler recipes. Some other traditional recipes are a little more complicated like Kalua Pork, Lau Lau, and Poke (moreso ingredients sourcing than actually making it).

If she's from Hawai'i you can have snacks sent and even pineapples sent as a gift.