You can find many diabetic recipes online. One great website you can find recipes is at Easy Diabetic Recipes: http://www.easy-diabetic-recipes.com/ There are even kid recipes.
One of the best websites that I have found for specific recipes is Allrecipes.com. Once there you would go to sugar free recipes/diabetic recipes. Walgreens offers a free diabetic recipe book at their pharmacy.
Diabetic recipes can be found on diabetic specific websites like diabeticlifestyle.com. From that website you should be able to search for cake recipes that include blueberries.
The tastiest way to have a diabetic diet is probably to modify regular recipes using imitation sugar. There are also several diabetic recipes too. www.dlife.com/diabetes/diabetic-recipes
If you are diabetic, you can register on a website like diabetic connect and download their diabetic cookbook. There are recipes for everything, including cookies in this cookbook.
There are many diabetic recipes available online for diabetes that are low in sugar or sugar free. A couple of good websites to find these are www.diabeticlifestyle.com and www.diabeticlivingonline.com/diabetic-recipes
http://www.dlife.com/diabetes/diabetic-recipes/ This is an example of one website that offers thousands of free recipes for diabetics. You can choose what meal you want and follow the links to the recipes. It's a very good site from my experience.
There are many places where you can find amazing diabetic recipes. You can find recipes that are verified by a nutritionist at the Mayo Clinic website and American Diabetes Association.
You can find free diabetic recipes online, as well as health and fitness information for diabetic individuals, at various websites such as www.diabeticlifestyle.com, www.diabeticlivingonline.com, and also at www.diabetes.org (the website for the Amercian Diabetes Association).
This site allows you to download a diabetic cookbook for free. It has plenty of recipes available. Good luck :) http://www.healthrecipes.com/diabetic_recipes.htm
There are many diabetic cake recipes - even ones that are in the Diabetic Cookbook that the American Heart Association prints for free. You can also substitute Splenda for sugar which is a good alternative.
Free diabetic recipes are fairly easy to find thanks to the Internet. there are several sites available online that are devoted to helping people live with diabetes with providing them with free information and food tips.