There are certainly foods you can add to minimize the nickel allergy trigger while tending to reactive hypoglycemia. Allergies can range and many people do not have the same reactions to their allergens (nickel).
While it's can be difficult to avoid all foods, these are some to include. Fruits including peaches, pears, raisins, rhubarb, bananas, blueberries, strawberries, blackberries and other berries. Recommended vegetables include: bell peppers, cucumbers, eggplant, and cruciferous greens (cabbage, cauliflower, brussels sprouts, bok choy). You can select 1-2 fruits and vegetables that you enjoy and search for them in our recipes section.
This is one that you can try: https://www.nutriliving.com/recipes/zesty-cucumber-blast
Here is a great list to refer to for a more comprehensive list of nickel allergy free foods: http://www.melisa.org/metals-disease/metals/nickel/