Best Diet Options to Reduce Pain?

What are some of the best diet options that will not create a lot of pain a half hour after eating?

Drop me a note with basics; sex, age, where (both geographically -where in the world, or country- AND where in the body, Doctor specialties, how was diagnosis made, what is treatment, what are symptoms & for how long, & anything else that you think would be beneficial and I’ll run it up a 400+ member flagpole and see what pops out.

By the way my wife has RF and has been through the wringer and I’ve read exerything that I can find and joined every support group that I can find as well. There are a few just for RF.

Connecticut, USA