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.
Chicken salad, and Asian soup with chicken are two really good recipes that are for people that are diabetic. If you would like to look for more recipes, you can go here: http://www.diabeticlifestyle.com/recipes/chicken. They have a ton of diabetic recipes with chicken in it.
If you are looking for recipes on how to eat healthy living as a diabetic you would be most benefited to obtain a cookbook that is a specialty for diabetic for good cookbook would be the Betty Crocker's CookBook:Everyday Meals, which can be found on amazon.com
Most food is fairly safe for a diabetic as long as they avoid processed sugars and starches. For some specific recipes that would be great for your family, try visiting this website: www.diabeticlifestyle.com/recipes.
I would suggest stopping in your local book store to see if they have a diabetic friendly cook book. I would also recommend looking in health magazines to look for recipes that are diabetic friendly.
You can locate recipes in special diet/diabetic cook books. You can also find quick and easy diabetic desserts from fellow peers with diabetes. I would try looking at your local library as well.
You can get free recipes online for a diabetic diet. One site would be eatingwell.com/recipes_menus/collections/diabetic_diet. They offer recipes and menus for diabetics.
Your local doctor or healthcare provider would be able to provide you with a diabetic nutrition guide and also be able to recommend a certain diet for your particular diabetic condition. However, www.diabetes.org is also a great resource and includes several nutrition guides and recipes.
I would look for books that have diabetic type recipes for most of those would be healtly and sugarfree, and would deffinaely work for for the elderly in your retirement home.
Diabetic Lifestyle have some good recipes (http://www.diabeticlifestyle.com/). Also have a look at http://www.mayoclinic.com/health/diabetes-recipes/RE00091
The diabetes association offers great recipes on there website. I would check on any cooking website they always offer recipes for any stipulations and are great!
I would look at this website http://www.typefreediabetes.com/Diabetic-Recipes-s/5733.htm if you are looking for healty low in sugar dessert recipes for you family.