Plain oatcakes are 5g carb per oatcake.
Bread - either Bergen soya and linseed bread, or Tesco wholemeal multigrain, for me, is okay in very small quantites - no more than 2 slices per day, and not every day.
Some people can eat a small serving of baked beans. I can't. Read the label to see how high in carbs they are - all carbohydrates, not just sugars. All carb turns to sugar in your blood.
Some people can manage a small portion of porridge; I can't. Nor can I eat bananas. As Caleb says, all breakfast cereals are high in carbs and will send your BGs high.
Get yourself a carb counter book - there is a good pocket-sized one in the Collins Gem series, just called Carb Counter, which is available from Amazon or any good bookshop. Count the carbs you eat in your usual diet, then decide where you can cut down.
I'm an extreme low-carber, and aim for about 30g carb per day, because I'm losing weight as well. Other people (eg Grazer) manage their blood glucose very well on about 150g a day.
If you want to control your diabetes and avoid getting complications like nerve damage and blindness later in life, you need to have a good look at your daily food intake and see where you can make changes! It can seem daunting at first, but you soon get used to it.
Don't be afraid to ask any questions you like - it can be confusing at first
Viv 8)