I'm afraid that bread, potatoes, rice, oats, many fruits and other things high in sugars and starches are the things which push up blood glucose levels - many things we are told are healthy are in fact sure fire blood spiking agents.
When I started out low carbing many years ago I used to carry around lists of what I could eat freely, cautiously, sparingly - that is under 5 percent, ten percent and fifteen percent carbohydrate - that is the net carbs, not including the fibre which many websites using the US system do. In the UK the packet shows the net carbs. My doctors have never supported the idea.
I have not needed to see a doctor since diagnosis as eating foods which kept my BG readings under 8 have dropped my test results to normal. My meter now shows even lower numbers, but I kept to the routine which worked, which is exactly the same as when I was losing weight on Atkins years ago - and the foods which stopped weightloss are exactly those which spike my blood glucose.