Are steel cut oats ok on dlvertulosis diet ,two weeks after attack ,been on bone broth ,gelatin,bananas non fat yogurt?

Yes!: People with diverticulosis (most of us in middle age and later),should eat a high fiber diet. Docs used to think you had to avoid seeds and nuts (after a bout of diverticulitis especially), but that has never proved to matter. See https://tinyurl.com/y9zzodyk and and for your daily diet: https://tinyurl.com/y. Increase fiber gradually, use simethicone (Gas-X) for gassy/bloated/crampy feelings