Hi Evie. I am wondering what your blood sugar level is like. When you see the nurse, ask about your HbA1c test result...you may have had this done already. It will provide you with your average level over the last three months. Also, ask (very nicely) if you could have a self-testing meter so you can check your levels at key times in a day. There can be reluctance to provide these as testing strips can be relatively expensive, and there's a general line about not wanting you to test too much (which is nonsense)...but this will be your greatest tool in trying to bring your levels down (in conjunction with a record of what you are eating and how it is effecting your blood sugar). If not - you can buy one.
Many people on this site, myself included, have managed to make real progress on a low carb diet. I suggest you look through the site, particularly at the Ask A Question, Type 2 and Low Carb threads, and that you post questions you have - informing yourself and figuring out what suits you personally is the way to get in control.
As far as which foods to eat...first figure out what not to eat. Apart from the obvious sugary and sweet foods (from sweets to cakes and biscuits, fizzy drinks and quite a lot of fruit....the key thing to note is that instead of just looking at sugar content on packets, look at carbohydrates (as these effectively turn to sugar in the body and raise the blood sugar level just as much as sugar itself)...the main things that many of us would agree do cause increases are bread, cereal, potatoes, pasta and rice. there's no problem with meat, fish, chicken, mushroom and low carb veggies (broccoli, cauliflower, spinach etc) and there are a lot of other foods you can eat without worrying BUT - others disagree and urge you to eat a balanced diet despite its impact on your levels. So, it's all about what you think after looking into it. Point is - gradually you will get a handle on your ow situation.
Anyway..blah blah...ask questions and you will get answers...opinions at least!