In a bowl, combine water and peanut butter. Stir until creamy and set aside. Add more water, when it is too dry.
In a food processor, add the coconut flour, mixed nuts, stevia, salt, syrup, and peanut butter. pulse until you have a dough consistency.
Using a small cookie scoop or measuring tablespoon, scoop out dough and make a ball. Place cookie dough balls on a cookie sheet lined with parchment paper, then flatten them to make cookies.
Keep cookies in an airtight container in the fridge.