Yes, oatmeal is a carb. I don't know how you will react to it so you would have to test before you start eating and then about
two hours after you started eating.
Instant or quick-cooking oatmeal will probably spike you faster than steel-cut. The more fiber in food the longer and drawn out the blood sugar rise will be (usually).
One of the best breakfasts that won't raise the blood sugar too much is something like a frittata or vegetable omelet. You can mix up eggs, chopped up broccoli, or asparagus with a little onion and mushrooms and put in some cheddar cheese and bake this in a small baking dish. Cool and cut into squares and then heat them up for breakfast.
Lately, I've been eating a small bowl or cooked spinach and broccoli with a pat of butter for breakfast. You have to think outside the breakfast box. So many breakfasts are based on bread or cereal, pancakes, etc. and they will keep your blood sugar raised.
Laniediabetes moderatordiabetes type 2 controlled by diet and exercise and
very low carb way of eating