LaughingDonkey,
Hi, Welcome.
Sorry, for most of us there isn't any one diet/mealplan that works purely for us, more of a general principles, try, test, replan cycle that helps us define our individual plan!
1)Start by looking at your existing diet.
2)Try to cut down on existing carbohydrates/sugar
3) Test BGs at 2 hrs after meals.
4) Loop to 2)
Hopefully the BGs should start to fall.
In my case I have cut out all breakfast cereals and most bread/toast egg & meats are my breakfast . I have cut out most Rice / potatoes/ pasta and starchy veg On fruits I have eliminated banannas and grapes and substituted berries that do not raise my BGs
Most folks on here will be glad to offer help and encouragement.
good luck. :thumbup: