I eat porridge.
Many of us on here start the day with it.
I find exercise helps immensely as well.
I've never really had any blood pressure issues, but I do find saturated fats push my cholesterol through the roof, and I put weight back on, so I do avoid them.
The thing to remember is we are all different in the way we react to carbs, and the type of carb.
For example, at the two extremes I reversed my diabetes, and can eat practically anything,
@Drummer is strictly diet controlled, and a minimal amount of carbs will cause a massive spike in blood glucose.
You need to chat to your health care professionals, find out what hba1c you were diagnosed at, and see if you need to make a few small changes, or if you need to consider larger ones, and find a way forward that suits your blood pressure, and ask what other tests they have been doing, and if there is anything in there to consider.